Emil Alvin Pfitzer.
McClain
R Michael
RM
McClain Associates, 10 Powder Horn Ter, Randolph, New Jersey 07869, USA.
Wagner
Bernard M
BM
D004345:Drug Industry / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D012958:Societies, Scientific / Q000266:history; D014116:Toxicology / Q000266:history*; D014481:United States