G. Norman, and D. Streiner. Chest, 141 (1):
17-9(January 2012)6592<m:linebreak></m:linebreak>JID: 0231335; ppublish;<m:linebreak></m:linebreak>Límits de confiança; Significació estadística.
L. Gjersing, J. Caplehorn, and T. Clausen. BMC medical research methodology, 10 (1):
13(January 2010)5507<m:linebreak></m:linebreak>M3: 10.1186/1471-2288-10-13;<m:linebreak></m:linebreak>Validació d'escales.
A. Jorgensen, and P. Williamson. Statistics in medicine, 27 (30):
6547-69(December 2008)4879<m:linebreak></m:linebreak>CI: Copyright 2008; JID: 8215016; ppublish;<m:linebreak></m:linebreak>Epidemiologia genètica.
I. Boutron, P. Ravaud, and R. Nizard. The Journal of bone and joint surgery. British volume, 89 (7):
858-63(July 2007)4573<br/>LR: 20080214; PUBM: Print; JID: 0375355; ppublish;<br/>Disseny; COT; RCT.