M. Koller, T. Stijnen, E. Steyerberg, and J. Lubsen. Journal of clinical epidemiology, 61 (4):
365-72(April 2008)4586<m:linebreak></m:linebreak>PUBM: Print-Electronic; JID: 8801383; 2006/05/23 received; 2007/05/08 revised; 2007/05/10 accepted; 2007/10/15 aheadofprint; ppublish;<m:linebreak></m:linebreak>Mesures d'associació.
C. Xiong, K. Yu, F. Gao, Y. Yan, and Z. Zhang. Clinical trials (London, England), 2 (5):
387-93(January 2005)4845<m:linebreak></m:linebreak>LR: 20071115; GR: AG 03991/AG/NIA NIH HHS/United States; GR: AG 05681/AG/NIA NIH HHS/United States; JID: 101197451; ppublish;<m:linebreak></m:linebreak>Sample size; Comparacions múltiples.