Drug research or the luck of the draw.
D000493:Allopurinol; D000700:Analgesics; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D010600:Pharmacology / Q000266:history*; D010615:Phenacetin; D011803:Quinine; D013329:Structure-Activity Relationship; D014481:United States
D000700:Analgesics; D000493:Allopurinol; D011803:Quinine; D010615:Phenacetin