title: A rare event.
authors.forename: T
authors.initials: T
authors.lastname: Poulton
authors.forename: M J
authors.initials: MJ
authors.lastname: Conti
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008375:Maple Syrup Urine Disease / Q000175:diagnosis / Q000178:diet therapy / Q000451:nursing*; D009721:Nurse Midwives; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis / Q000178:diet therapy / Q000451:nursing*