Sibbald, B. (2002). US drug industry bans expensive freebies for MDs, Canada raises fines.
Chicago Style CitationSibbald, Barbara. US Drug Industry Bans Expensive Freebies for MDs, Canada Raises Fines. 2002.
Cita MLASibbald, Barbara. US Drug Industry Bans Expensive Freebies for MDs, Canada Raises Fines. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.