The rewards of error and false assumption.
D000305:Adrenal Cortex Hormones / Q000266:history; D000493:Allopurinol / Q000266:history; D001317:Austria; D004739:England; D049673:History, 20th Century; D008628:Mercury / Q000627:therapeutic use; D009941:Organomercury Compounds / Q000266:history; D010406:Penicillins / Q000266:history; D012106:Research / Q000266:history*; D013194:Staining and Labeling; D013424:Sulfanilamides / Q000266:history; D014481:United States
D000305:Adrenal Cortex Hormones; D009941:Organomercury Compounds; D010406:Penicillins; D013424:Sulfanilamides; D000493:Allopurinol; D008628:Mercury