RT Journal Article SR Electronic T1 A further study of the antirachitic factor in human milk JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 377 OP 380 DO 10.1136/adc.10.59.377 VO 10 IS 59 A1 Sabri, I. A. A1 Fikri, M. M. YR 1935 UL http://adc.bmj.com/content/10/59/377.abstract AB