Letter: Organic aciduria and ampicillin.
D000596:Amino Acids / Q000652:urine*; D000667:Ampicillin / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D007231:Infant, Newborn; D008375:Maple Syrup Urine Disease / Q000175:diagnosis*
D000596:Amino Acids; D000667:Ampicillin