J. Ioannidis. Journal of epidemiology and community health, 61 (9):
757-8(September 2007)4641<m:linebreak></m:linebreak>JID: 7909766; ppublish;<m:linebreak></m:linebreak>Epidemiologia genètica.
C. Hennekens, and D. DeMets. JAMA : the journal of the American Medical Association, 305 (11):
1134-5(March 2011)JID: 7501160; ppublish;<m:linebreak></m:linebreak>
<m:linebreak></m:linebreak>Causalitat; Introductori.