title: Pyruvate carboxylase deficiency in twins.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000175:diagnosis / Q000235:genetics*; D004200:Diseases in Twins; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D015324:Pyruvate Carboxylase Deficiency Disease