J. Beyersmann, P. Gastmeier, M. Wolkewitz, and M. Schumacher. Journal of clinical epidemiology, 61 (12):
1216-21(December 2008)4615<m:linebreak></m:linebreak>JID: 8801383; 2007/08/09 received; 2008/01/10 revised; 2008/02/12 accepted; 2008/07/10 aheadofprint; ppublish;<m:linebreak></m:linebreak>Anàlisi de supervivència.
H. Bucher, G. Guyatt, L. Griffith, and S. Walter. Journal of clinical epidemiology, 50 (6):
683-91(June 1997)2443<m:linebreak></m:linebreak>Metaanàlisi.