title: [Secretin--with special reference to its extraction, purification and bioassay methods].
mesh_terms: D000818:Animals; D001681:Biological Assay / Q000379:methods*; D002415:Cats; D004285:Dogs; D011817:Rabbits; D051381:Rats; D012633:Secretin / Q000302:isolation & purification*
chemical_list: D012633:Secretin