Early botanists and the introduction of drug specifics.
D004358:Drug Therapy; D006664:History; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D010598:Pharmacognosy / Q000266:history*; D010946:Plants, Medicinal / Q000145:classification; D009626:Terminology as Topic