M. Brookhart, and S. Schneeweiss. The international journal of biostatistics, 3 (1):
Article 14(January 2007)5028<m:linebreak></m:linebreak>Variables instrumentals.
H. Wynne, and A. Long. British journal of clinical pharmacology, 42 (2):
253-6(August 1996)LR: 20041117; PUBM: Print; JID: 7503323; 0 (Anti-Inflammatory Agents, Non-Steroidal); ppublish;<br/><br/>Depleció de susceptibles.