Pharmacoeconomic considerations in pharmaceutical company promotions.
Rosenberg
G B
GB
D004345:Drug Industry / Q000191:economics; D006801:Humans; D008389:Marketing of Health Services / Q000191:economics*; D009543:Nifedipine / Q000008:administration & dosage / Q000191:economics*; D014481:United States
D009543:Nifedipine