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Table 2 Relative importance of gray literature as used by AcademyHealth[26]

From: Immigrant women’s experiences of postpartum depression in Canada: a protocol for systematic review using a narrative synthesis

5 4 3 2 1
Working papers Data evaluations Speeches Newsletters Pamphlets
Committee reports Foundation reports Annual reports Biographies Protocols
Testimony Government reports Presentations Bulletins Guidelines
Conference proceedings Grantee publications Grantee reports PowerPoint presentations Poster sessions
  Non-commercially published conference papers Webcasts Foundation financial statements Meeting agendas
  Reports Theses   Translations
  Special reports Technical specifications and standards   
  1. Items in columns three to five will be considered for inclusion since they reflect a high relative importance to policy makers and other users of gray literature.