Amiri MD Mohamadreza, Evaluation of Serum Vitamin D Levels in Foster's Children Care Center, Journal of Pediatric Health And Nutrition, Volume 1, Issue 2, 2019, Pages 1-8, ISSN 2691-5014, https://doi.org/10.14302/issn.2691-5014.jphn-18-2456. (https://jndc-chemistryarticles.infojphn/article/952) Keywords: Vitamin D; 1; 25 Dihydroxy vitamin D3; Parathyroid hormone; ALP; Vitamin D Deficiency; Calcium; Phosphor