RT Journal Article SR Electronic T1 Proceedings: Atypical phenylketonuria accompanied by a severe progressive neurological illness unresponsive to dietary treatment. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 245 OP 245 DO 10.1136/adc.49.3.245-b VO 49 IS 3 A1 I Smith A1 J Lloyd YR 1974 UL http://adc.bmj.com/content/49/3/245.3.abstract