title: The quandary of vitamin D in the newborn infant.
mesh_terms: D001862:Bone Resorption; D001842:Bone and Bones / Q000032:analysis; D001942:Breast Feeding; D002117:Calcitriol / Q000096:biosynthesis / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008431:Maternal-Fetal Exchange; D010758:Phosphorus / Q000378:metabolism; D011247:Pregnancy; D012279:Rickets / Q000517:prevention & control*; D013472:Sunlight; D014807:Vitamin D / Q000096:biosynthesis / Q000097:blood / Q000378:metabolism*
chemical_list: D014807:Vitamin D; D010758:Phosphorus; D002117:Calcitriol; D002118:Calcium