Sluis, I.M. van der

children bone mineral density density treatment patient growth study body composition mineral bone density height effect hormone bone turnover therapy group change spine composition fracture marker peak bone mass adult bone mass growth hormone osteoporosis genotype calcium result measurement level childhood increase endocrinol puberty difference chapter turnover baseline lymphoblastic leukemia vitamin diagnosis polymorphism follow-up metab calcium intake reference body mass bone size collagen disease deficiency stage activity parameter bone age value pediatr leukemia muinck keizer-schrama smpf allele energy x-ray absorptiometry serum growth hormone deficiency association krenning ep height sds growth hormone treatment table muinck month mthfr tanner keizer-schrama absorptiometry colia spine bmd cessation model type i collagen