V. Montori, N. Wilczynski, D. Morgan, R. Haynes, and H. Team. BMJ (Clinical research ed.), 330 (7482):
68(January 2005)LR: 20061115; PUBM: Print-Electronic; GR: 1 R01 LM06866/LM/NLM; DEP: 20041224; JID: 8900488; CIN: BMJ. 2005 May 21;330(7501):1162-3. PMID: 15905232; 2004/12/24 aheadofprint; ppublish.
R. Haynes, K. McKibbon, N. Wilczynski, S. Walter, S. Werre, and H. Team. BMJ (Clinical research ed.), 330 (7501):
1179(May 2005)LR: 20061115; PUBM: Print-Electronic; GR: R01 LM06866-01/LM/NLM; DEP: 20050513; JID: 8900488; CIN: BMJ. 2005 May 21;330(7501):1162-3. PMID: 15905232; 2005/05/13 aheadofprint; ppublish.
S. Golder, H. McIntosh, and Y. Loke. BMC medical research methodology, (May 2006)PUBM: Electronic; DEP: 20060508; JID: 100968545; 2005/10/18 received; 2006/05/08 accepted; 2006/05/08 aheadofprint; epublish.