title: The ultrastructure, histopathology, and histochemistry of the parathyroid glands of pregnant and non-pregnant cows fed a high level of vitamin D.
mesh_terms: D000818:Animals; D002417:Cattle; D004872:Ergocalciferols / Q000628:therapy*; D005260:Female; D006651:Histocytochemistry; D008854:Microscopy, Electron / Q000187:drug effects; D010280:Parathyroid Glands / Q000453:epidemiology* / Q000473:pathology*; D010504:Periodic Acid; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000633:toxicity*
chemical_list: D004872:Ergocalciferols; D010504:Periodic Acid