title: Purification of ribonuclease (type IV) from bovine thyroid tissue.
mesh_terms: D000818:Animals; D002417:Cattle; D008722:Methods; D012260:Ribonucleases / Q000302:isolation & purification*; D013961:Thyroid Gland / Q000201:enzymology*
chemical_list: D012260:Ribonucleases