title: A 9-month-old boy with seizures and discrepant urine tryptophan concentrations.
authors: Department of Laboratory Medicine, Children's Hospital Boston, Harvard Medical School, Boston, MA, USA. adam.ptolemy@covance.com
authors: Adam S
authors: AS
authors: Ptolemy
authors: Yijun
authors: Y
authors: Li
authors: Tamara
authors: T
authors: Sanderson
authors: Omar
authors: O
authors: Khwaja
authors: Gerard T
authors: GT
authors: Berry
authors: Mark
authors: M
authors: Kellogg
mesh_terms: D000927:Anticonvulsants / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D008297:Male; D012640:Seizures / Q000188:drug therapy / Q000652:urine*; D014364:Tryptophan / Q000652:urine*
chemical_list: D000927:Anticonvulsants; D014364:Tryptophan