D. Easton, J. Peto, and A. Babiker. Statistics in medicine, 10 (7):
1025-35(July 1991)4288<m:linebreak></m:linebreak>LR: 20061115; PUBM: Print; JID: 8215016; 0 (Contraceptives, Oral); CIN: Stat Med. 2004 Jan 15;23(1):93-104. PMID: 14695642; ppublish;<m:linebreak></m:linebreak>Mesures d'associació.
L. Chen, M. Yen, H. Wu, C. Liao, D. Liou, H. Kuo, and T. Chen. Journal of evaluation in clinical practice, 11 (2):
181-93(April 2005)3816<m:linebreak></m:linebreak>Anàlisi de supervivència; SAS.
D. Lai, T. King, L. Moyé, and Q. Wei. Annals of epidemiology, 13 (3):
204-8(March 2003)3153<m:linebreak></m:linebreak>Sample size; Surrogate endpoints; Dades longitudinals.