Spontaneous pathomorphological changes in the thyroid and parathyroid glands of rats.
D000367:Age Factors; D000818:Animals; D001344:Autopsy; D005260:Female; D008297:Male; D010280:Parathyroid Glands / Q000473:pathology*; D010282:Parathyroid Neoplasms / Q000473:pathology; D051381:Rats; D013961:Thyroid Gland / Q000473:pathology*; D013964:Thyroid Neoplasms / Q000473:pathology