Hartz AJ, Noyes R, Bentler SE, Damiano PC, Willard JC, Momany ET: Unexplained symptoms in primary care: perspectives of doctors and patients. Gen Hosp Psychiatry. 2000, 22: 144-152. 10.1016/S0163-8343(00)00060-8.
Article
CAS
PubMed
Google Scholar
Kroenke K, Mangelsdorff AD: Common symptoms in ambulatory care: incidence, evaluation, therapy, and outcome. Am J Med. 1989, 86: 262-266. 10.1016/0002-9343(89)90293-3.
Article
CAS
PubMed
Google Scholar
Kroenke K, Spitzer RL, Williams JBW: The PHQ-15: Validity of a new measure for evaluating the severity of somatic symptoms. Psychosom Med. 2002, 64: 258-266.
Article
PubMed
Google Scholar
Mergl R, Seidscheck I, Allgaier A-K, Möller H-J, Hegerl U, Henkel V: Depressive, anxiety, and somatoform disorders in primary care: prevalence and recognition. Depress Anxiety. 2007, 24: 185-195. 10.1002/da.20192.
Article
PubMed
Google Scholar
de Waal MWM, Arnold IA, Eekhof JAH, van Hemert AM: Somatoform disorders in general practice : prevalence functional impairment and comorbidity with anxiety and depressive disorders. Br J Psychiatry. 2004, 184: 470-476. 10.1192/bjp.184.6.470.
Article
PubMed
Google Scholar
Fink P, Sorensen L, Engberg M, Holm M, Munk-Jorgensen P: Somatization in primary care. Prevalence, health care utilization, and general practitioner recognition. Psychosomatics. 1999, 40: 330-338. 10.1016/S0033-3182(99)71228-4.
Article
CAS
PubMed
Google Scholar
Jacobi F, Wittchen HU, Holting C, Höfler M, Pfister H, Müller N, Lieb R: Prevalence, co-morbidity and correlates of mental disorders in the general population: results from the German Health Interview and Examination Survey (GHS). Psychol Med. 2004, 34: 597-611. 10.1017/S0033291703001399.
Article
CAS
PubMed
Google Scholar
Gustavsson A, Svensson M, Jacobi F, Allgulander C, Alonso J, Beghi E, Dodel R, Ekman M, Faravelli C, Fratiglioni L, Gannon B, Jones DH, Jennum P, Jordanova A, Jönsson L, Karampampa K, Knapp M, Kobelt G, Kurth T, Lieb R, Linde M, Ljungcrantz C, Maercker A, Melin B, Moscarelli M, Musayev A, Norwood F, Preisig M, Pugliatti M, Rehm J: Cost of disorders of the brain in Europe 2010. Eur Neuropsychopharmacol. 2011, 21: 718-779. 10.1016/j.euroneuro.2011.08.008.
Article
CAS
PubMed
Google Scholar
Smith BJ, McGorm KJ, Weller D, Burton C, Sharpe M: The identification in primary care of patients who have been repeatedly referred to hospital for medically unexplained symptoms: a pilot study. J Psychosom Res. 2009, 67: 207-211. 10.1016/j.jpsychores.2009.01.004.
Article
PubMed
Google Scholar
Schaefert R, Hausteiner-Wiehle C, Hauser W, Ronel J, Herrmann M, Henningsen P: Non-specific, functional, and somatoform bodily complaints. Dtsch Arztebl Int. 2012, 109: 803-813.
PubMed
PubMed Central
Google Scholar
Benedikt G, Herzog W, Sauer N, Schafert R, Schell T, Szecsenyi J, Wilke S, Zipfel S, Henningsen P: Funktional - A curriculum for general practitioners: early diagnosis and treatment of somatoform/functional complaints. [German]. Z Allgemeinmed. 2005, 81: 127-130. 10.1055/s-2005-836349.
Article
Google Scholar
Levenson JL: The somatoform disorders: 6 characters in search of an author. Psychiatr Clin North Am. 2011, 34: 515-524. 10.1016/j.psc.2011.05.006.
Article
PubMed
Google Scholar
Rosendal M, Fink P, Falkoe E, Hansen HS, Olesen F: Improving the classification of medically unexplained symptoms in primary care. Eur J Psychiat. 2007, 21: 25-36.
Article
Google Scholar
Smith RC, Dwamena FC: Classification and diagnosis of patients with medically unexplained symptoms. J Gen Intern Med. 2007, 22: 685-691. 10.1007/s11606-006-0067-2.
Article
PubMed
PubMed Central
Google Scholar
Kapfhammer HP: Somatic symptoms in depression. Dialogues Clin Neurosci. 2006, 8: 227-239.
PubMed
PubMed Central
Google Scholar
Jobst D: Familiy doctors - How would they diagnose a somatoforme disorder? [German]. Z Allgemeinmed. 2006, 82: 209-213. 10.1055/s-2006-933405.
Article
Google Scholar
American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). 2013, Arlington, VA: American Psychiatric Publishing
Google Scholar
de Zwaan M, Muller A: Doctor shopping: the difficult-to-manage patient. Wien Med Wochenschr. 2006, 156: 431-434. 10.1007/s10354-006-0324-3.
Article
PubMed
Google Scholar
Löwe B, Mundt M, Herzog W, Brunner R, Backenstrass M, Kronmüller K, Henningsen P: Validity of current somatoform disorder diagnoses: perspectives for classification in DSM-V and ICD-11. Psychopathology. 2008, 41: 4-9. 10.1159/000109949.
Article
PubMed
Google Scholar
van Bokhoven MA, Koch H, van der Weijden T, Dinant GJ: Special methodological challenges when studying the diagnosis of unexplained complaints in primary care. J Clin Epidemiol. 2008, 61: 318-322. 10.1016/j.jclinepi.2007.05.008.
Article
PubMed
Google Scholar
van Staden W: Conceptual issues in undifferentiated somatoform disorder and chronic fatigue syndrome. Curr Opin Psychiatry. 2006, 19: 613-618. 10.1097/01.yco.0000245753.83502.d9.
Article
PubMed
Google Scholar
Ringsberg KC, Krantz G: Coping with patients with medically unexplained symptoms: work-related strategies of physicians in primary health care. J Health Psychol. 2006, 11: 107-116. 10.1177/1359105306058853.
Article
PubMed
Google Scholar
Ring A, Dowrick C, Humphris G, Salmon P: Do patients with unexplained physical symptoms pressurise general practitioners for somatic treatment? A qualitative study. Br Med J. 2004, 328: 1057-1060. 10.1136/bmj.38057.622639.EE.
Article
Google Scholar
Salmon P, Dowrick CF, Ring A, Humphris GM: Voiced but unheard agendas: qualitative analysis of the psychosocial cues that patients with unexplained symptoms present to general practitioners. Br J Gen Pract. 2004, 54: 171-176.
PubMed
PubMed Central
Google Scholar
Salmon P: The potentially somatizing effect of clinical consultation. CNS Spectr. 2006, 11: 190-200.
PubMed
Google Scholar
Mayou R, Kirmayer LJ, Simon G, Kroenke K, Sharpe M: Somatoform disorders: time for a new approach in DSM-V. Am J Psychiatry. 2005, 162: 847-855. 10.1176/appi.ajp.162.5.847.
Article
PubMed
Google Scholar
Voigt K, Nagel A, Meyer B, Langs G, Braukhaus C, Löwe B: Towards positive diagnostic criteria: a systematic review of somatoform disorder diagnoses and suggestions for future classification. J Psychosom Res. 2010, 68: 403-414. 10.1016/j.jpsychores.2010.01.015.
Article
PubMed
Google Scholar
Voigt K, Wollburg E, Weinmann N, Herzog A, Meyer B, Langs G, Löwe B: Predictive validity and clinical utility of DSM-5 Somatic Symptom Disorder–comparison with DSM-IV somatoform disorders and additional criteria for consideration. J Psychosom Res. 2012, 73: 345-350. 10.1016/j.jpsychores.2012.08.020.
Article
PubMed
Google Scholar
Wollburg E, Voigt K, Braukhaus C, Herzog A, Löwe B: Construct validity and descriptive validity of somatoform disorders in light of proposed changes for the DSM-5. J Psychosom Res. 2013, 74: 18-24. 10.1016/j.jpsychores.2012.09.015.
Article
PubMed
Google Scholar
Fink P, Ornbol E, Toft T, Sparle KC, Frostholm L, Olesen F: A new, empirically established hypochondriasis diagnosis. Am J Psychiatry. 2004, 161: 1680-1691. 10.1176/appi.ajp.161.9.1680.
Article
PubMed
Google Scholar
van den Berg B, Yzermans CJ, van der Velden PG, Stellato RK, Lebret E, Grievink L: Are physical symptoms among survivors of a disaster presented to the general practitioner? A comparison between self-reports and GP data. BMC Health Serv Res. 2007, 7: 150-10.1186/1472-6963-7-150.
Article
PubMed
PubMed Central
Google Scholar
Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche PC, Ioannidis JPA, Clarke M, Devereaux PJ, Kleijnen J, Moher D: The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Med. 2009, 6: e1000100-10.1371/journal.pmed.1000100.
Article
PubMed
PubMed Central
Google Scholar
Moher D, Liberati A, Tetzlaff J, Altman DG: The PRISMA Group: Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. PLoS Med. 2009, 6: e1000097-10.1371/journal.pmed.1000097.
Article
PubMed
PubMed Central
Google Scholar
Booth A: “Brimful of STARLITE”: toward standards for reporting literature searches. J Med Libr Assoc. 2006, 94: 421-429.
PubMed
PubMed Central
Google Scholar
The Oxford. 2011, [http://www.cebm.net/index.aspx?o=5653], Levels of Evidence
Noyes J, Lewin S: Chapter 5: Extracting qualitative evidence. Supplementary Guidance for Inclusion of Qualitative Research in Cochrane Systematic Reviews of Interventions. Edited by: Noyes J, Booth A, Hannes K, Harden A, Harris J, Lewin S, Lockwood C. 2011, Oxford: The Cochrane Collaboration
Google Scholar
Higgins JP, Altman DG, Gøtzsche PC, Jüni P, Moher D, Oxman AD, Savović J, Schulz KF, Weeks L: Sterne JAC; Cochrane Bias Methods Group; Cochrane Statistical Methods Group: The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials. BMJ. 2011, 343: d5928-10.1136/bmj.d5928.
Article
PubMed
PubMed Central
Google Scholar
Higgins JP, Altman DG: Chapter 8: Assessing risk of bias in included studies. Cochrane Handbook for Systematic Reviews of Interventions. Volume 5.0.1 [updated September 2008]. Edited by: Higgins JP, Green S. 2008, Oxford: The Cochrane Collaboration
Chapter
Google Scholar
Mays N, Pope C: Assessing quality in qualitative research. BMJ. 2000, 320: 50-52. 10.1136/bmj.320.7226.50.
Article
CAS
PubMed
PubMed Central
Google Scholar
Greenhalgh T, Taylor R: How to read a paper: papers that go beyond numbers (qualitative research). BMJ. 1997, 315: 740-10.1136/bmj.315.7110.740.
Article
CAS
PubMed
PubMed Central
Google Scholar
Harden A, Garcia J, Oliver S, Rees R, Shepherd J, Brunton G, Oakley A: Applying systematic review methods to studies of people’s views: an example from public health research. J Epidemiol Community Health. 2004, 58: 794-800. 10.1136/jech.2003.014829.
Article
PubMed
PubMed Central
Google Scholar
Thomas J, Harden A: Methods for the thematic synthesis of qualitative research in systematic reviews. BMC Med Res Methodol. 2008, 8: 45-10.1186/1471-2288-8-45.
Article
PubMed
PubMed Central
Google Scholar
Hannes K: Chapter 4: Critical appraisal of qualitative research. Supplementary Guidance for Inclusion of Qualitative Research in Cochrane Systematic Reviews of Interventions. Edited by: Noyes J, Booth A, Hannes K, Harden A, Harris J, Lewin S, Lockwood C. 2011, Oxford: The Cochrane Collaboration
Google Scholar
Noyes J, Popay J, Pearson A, Hannes K, Booth A: Chapter 20: Qualitative research and Cochrane reviews. Cochrane Handbook for Systematic Reviews of Interventions. Edited by: Higgins JPT, Green S. 2008, Oxford: The Cochrane Collaboration
Google Scholar
Critical Appraisal Skills Programme: making sense of evidence about clinical effectiveness: 10 questions to help you make sense of qualitative research. [http://www.casp-uk.net/]
Hartman JM, Forsen JW, Wallace MS, Neely JG: Tutorials in clinical research: part IV: recognizing and controlling bias. Laryngoscope. 2002, 112: 23-31. 10.1097/00005537-200201000-00005.
Article
PubMed
Google Scholar
Sanderson S, Tatt ID, Higgins JP: Tools for assessing quality and susceptibility to bias in observational studies in epidemiology: a systematic review and annotated bibliography. Int J Epidemiol. 2007, 36: 666-676. 10.1093/ije/dym018.
Article
PubMed
Google Scholar
Barnett-Page E, Thomas J: Methods for the synthesis of qualitative research: a critical review. BMC Med Res Methodol. 2009, 9: 59-10.1186/1471-2288-9-59.
Article
PubMed
PubMed Central
Google Scholar
Lucas PJ, Baird J, Arai L, Law C, Roberts HM: Worked examples of alternative methods for the synthesis of qualitative and quantitative research in systematic reviews. BMC Med Res Methodol. 2007, 7: 4-10.1186/1471-2288-7-4.
Article
PubMed
PubMed Central
Google Scholar
Noyes J, Lewin S: Chapter 6: Supplemental Guidance on Selecting a Method of Qualitative Evidence Synthesis, and Integrating Qualitative Evidence with Cochrane Intervention Reviews. Supplementary Guidance for Inclusion of Qualitative Research in Cochrane Systematic Reviews of Interventions. Edited by: Noyes J, Booth A, Hannes K, Harden A, Harris J, Lewin S, Lockwood C. 2011, Oxford: The Cochrane Collaboration
Google Scholar
Health Net Somatoform Disorders (Gesundheitsnetz somatoforme Störungen). [http://www.psychenet.de/ueber-psychenet/teilprojekte/somatoforme-stoerungen.html]