title: Diphenylhydantoin inferference with spectraphotometric barbiturate estimations.
mesh_terms: D006801:Humans; D010634:Phenobarbital / Q000097:blood*; D010672:Phenytoin / Q000097:blood*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D010672:Phenytoin; D010634:Phenobarbital