RT Journal Article SR Electronic T1 The Kinetics of Scientific Progress and Scientist Obsolescence JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 185 OP 185 VO 39 IS 5 A1 Joseph R. Robinson YR 1985 UL http://journal.pda.org/content/39/5/185.abstract AB