D. MacKinnon, J. Krull, and C. Lockwood. Prevention science : the official journal of the Society for Prevention Research, 1 (4):
173-81(December 2000)3530<m:linebreak></m:linebreak>Mesures d'associació.
I. Janszky, A. Ahlbom, and A. Svensson. European journal of epidemiology, 25 (6):
361-3(June 2010)5668<m:linebreak></m:linebreak>JID: 8508062; 2010/03/18 received; 2010/04/22 accepted; 2010/05/07 aheadofprint; ppublish;<m:linebreak></m:linebreak>Mesures d'associació.
F. Lobo, S. Wagner, C. Gross, and J. Schommer. Research in social & administrative pharmacy : RSAP, 2 (1):
143-51(March 2006)6524<m:linebreak></m:linebreak>LR: 20071115; JID: 101231974; ppublish;<m:linebreak></m:linebreak>Propensity score; Introductori.
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.
J. Bailar, and A. Bailer. CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 164 (4):
503-6(February 2001)2835<m:linebreak></m:linebreak>Avaluació de riscs.