Proprietary Articles Trade Association.
Worling
P M
PM
D003132:Commerce / Q000266:history; D017850:Economics, Pharmaceutical / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D004366:Nonprescription Drugs / Q000266:history*; D012957:Societies, Pharmaceutical / Q000266:history*; D006113:United Kingdom
D004366:Nonprescription Drugs