title: Influence of protein free aqueous extract of parathyroid powder on serum vitamin A level in rats.
abstract: Administration of the protein-free extract of bovine parathyroid powder to rats resulted in a significant increase of the serum vitamin A level.
mesh_terms: D000818:Animals; D008297:Male; D010280:Parathyroid Glands; D051381:Rats; D013268:Stimulation, Chemical; D014020:Tissue Extracts / Q000494:pharmacology*; D014801:Vitamin A / Q000097:blood*
chemical_list: D014020:Tissue Extracts; D014801:Vitamin A