title: Intrathyroidal thyrocalcitonin levels in neonatal and adult rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D001681:Biological Assay; D001846:Bone Development; D001842:Bone and Bones / Q000378:metabolism; D002116:Calcitonin / Q000032:analysis* / Q000378:metabolism*; D002118:Calcium / Q000097:blood / Q000378:metabolism; D002762:Cholecalciferol / Q000494:pharmacology*; D006934:Hypercalcemia / Q000139:chemically induced; D006996:Hypocalcemia / Q000139:chemically induced; D051381:Rats; D012636:Secretory Rate; D013961:Thyroid Gland / Q000032:analysis*
chemical_list: D002762:Cholecalciferol; D002116:Calcitonin; D002118:Calcium