Therapeutic and toxic drug concentrations: a correction.
D000628:Aminophylline / Q000097:blood / Q000506:poisoning*; D004074:Digitoxin / Q000097:blood / Q000506:poisoning*; D004077:Digoxin / Q000097:blood / Q000506:poisoning; D006801:Humans; D013806:Theophylline / Q000097:blood / Q000506:poisoning*
D000628:Aminophylline; D004077:Digoxin; D013806:Theophylline; D004074:Digitoxin