title: Thyroid and blood thyrocalcitonin concentrations and C-cell abundance in two strains of rats at different ages.
mesh_terms: D000375:Aging; D000818:Animals; D002116:Calcitonin / Q000097:blood / Q000378:metabolism*; D005260:Female; D008297:Male; D051381:Rats; D011916:Rats, Inbred F344; D013045:Species Specificity; D013961:Thyroid Gland / Q000166:cytology / Q000378:metabolism
chemical_list: D002116:Calcitonin