English database ・ Age Line (1978-March 2012). ・ CINAHL Plus with Full Text (1937-March 2012). ・ Cochrane Library (1966-March 2012). ・ MEDLINE (1966-March 2012). ・ OVID (1966-March 2012). ・ ProQuest Nursing and Allied Health Source (1986-March 2012). ・ ProQuest Health & Medical Complete (1994-March 2012). ・ PubMed (1966-March 2012). ・ Science Direct (1995-March 2012). ・ Springer Link (1990-March 2012). Chinese database (Traditional) ・ Chinese Electronic Periodical Services (CEPS) (1991-March 2012). ・ Nation Central Library (NCL) (1970-March 2012). ・ National Digital Library of Theses and Dissertations (NDLTD) (1956-March 2012). Chinese database (Simplified) ・ China Doctor Dissertation Full-text Database (CDFD) (1999-March 2012). ・ China Master Theses Full-text Database (CMTD) (1999-March 2012). ・ China National Knowledge Infrastructure (CNKI) (1979-March 2012). ・ China Yearbook Full-text Database (CYFD) (1912-March 2012). ・ Wan Fang Data (1997-March 2012). Website ・ Google Scholar. | Search terms used ・ Buerger’s exercises, Buerger-Allen exercises, Buerger. ・ Used different terms in Chinese traditional text for Buerger’s exercises. ・ Used different terms in Chinese simplified text for Buerger’s exercises. |