Some early chemical analyses of proprietary medicines.
D056246:Chemistry, Analytic / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D008131:London; D004366:Nonprescription Drugs / Q000032:analysis; D004364:Pharmaceutical Preparations / Q000032:analysis / Q000266:history*; D010598:Pharmacognosy / Q000266:history*; D010600:Pharmacology / Q000266:history; D010946:Plants, Medicinal / Q000032:analysis*; D012606:Scotland
D004366:Nonprescription Drugs; D004364:Pharmaceutical Preparations