RT Journal Article SR Electronic T1 Vitamin D and physical fitness in Qatari girls JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 854 OP 855 DO 10.1136/adc.2009.163238 VO 95 IS 10 A1 Racinais, S A1 Hamilton, B A1 Li, C K A1 Grantham, J YR 2010 UL http://adc.bmj.com/content/95/10/854.2.abstract AB