RT Journal Article SR Electronic T1 Dietary phenylalanine requirements in infants with hyperphenylalaninaemia JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 830 OP 830 DO 10.1136/adc.49.10.830 VO 49 IS 10 A1 Lines, D. R. YR 1974 UL http://adc.bmj.com/content/49/10/830.2.abstract AB