P. Fennema, and J. Lubsen. The Journal of bone and joint surgery. British volume, 92 (5):
701-6(May 2010)5813<m:linebreak></m:linebreak>LR: 20101110; JID: 0375355; ppublish;<m:linebreak></m:linebreak>Anàlisi de supervivència; Competing risks.
R. Heller, A. Dobson, J. Attia, and J. Page. Journal of epidemiology and community health, 56 (8):
606-10(August 2002)2956<m:linebreak></m:linebreak>Mesures d'associació.