Lessons from 54 years of pharmaceutical research.
Raymond A
RA
Firestone
D035843:Biomedical Research / Q000191:economics / Q000379:methods / Q000639:trends*; D004345:Drug Industry / Q000191:economics / Q000379:methods / Q000639:trends*; D006801:Humans; D013678:Technology, Pharmaceutical / Q000191:economics / Q000379:methods / Q000639:trends*