Quality control of drug estimations.
D000927:Anticonvulsants / Q000097:blood*; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D004827:Epilepsy / Q000097:blood; D006801:Humans; D010919:Placebos; D011786:Quality Control; D012107:Research Design
D000927:Anticonvulsants; D010919:Placebos