Nitrogenous compounds in the aqueous extract of vertebrate keratinous structures.
D000818:Animals; D007633:Keratins; D009584:Nitrogen / Q000032:analysis*; D017672:Nitrogen Compounds; D009930:Organic Chemicals; D014714:Vertebrates; D014867:Water
D017672:Nitrogen Compounds; D009930:Organic Chemicals; D014867:Water; D007633:Keratins; D009584:Nitrogen
KERATIN; NITROGEN/determination