RT Journal Article SR Electronic T1 Efficacy of vitamin D deficiency prevention strategies in Glasgow's maternity services JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 299 OP 299 DO 10.1136/archdischild-2011-301400 VO 97 IS 3 A1 Leven, L V A A1 Longbottom, K A1 Jackson, A D YR 2012 UL http://adc.bmj.com/content/97/3/299.abstract AB