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Table 1 PubMed search strategy

From: Study protocol: systematic review and meta-analysis of randomized controlled trials in first-line treatment of squamous non-small cell lung cancer

PubMed search
Category Search Query Items found
Disease terms #1 "carcinoma, non small cell lung/drug therapy" [MeSH Terms] 11,135
Design terms #2 Randomized Controlled Trials as Topic [MeSH Major Topic] 12,361
  #3 "randomized controlled trials as topic" [MeSH Terms] 85,095
  #4 Random Allocation [MeSH Terms] 76,843
  #5 double blind method [MeSH Terms] 118,616
  #6 "controlled clinical trial" [Publication Type] 85,642
  #7 "randomized controlled trial" [Publication Type] 344,749
  #8 "clinical trials as topic" [MeSH Terms] 263,513
  #9 "clinical trial" [Publication Type] 709,361
  #10 ((#2 or #3 or (#4 and (#5 or #8 or #9)) or #6 or #7)) 509,729
  #11 ((randomization and control and clinical and trial)) 10,468
  #12 (((randomised and control and clinical and trial) or (randomized and control and clinical and trial))) 108,134
  #13 ((((double or single or triple or treble) and (blind* or mask*) and (random*)))) 136,554
  #14 (((random and allocat*) and control* and trial)) 4,775
  #15 (#12 or #13 or #14) 214,899
  #16 (#10 or #15) 527,440
  #17 (#1 AND #16) 2,065
Exclusion terms #18 Case report [Title/Abstract] 195,029
  #19 Review [Publication Type] 1,765,829
  #20 Letter [Publication Type] 794,012
  #21 "systematic review" [Title/Abstract] 39,341
  #22 "clinical review" [Title/Abstract] 3,144
  #23 (#18 OR #19 OR #20 OR #21 OR #22) 2,734,788
  #24 (#17 NOT #23) 1,579
Year and language terms #25 ((#24) AND ("1995" [Date - Publication]: "2013" [Date - Publication])) AND English [Language] 1,217