The control of enzyme solutions used in serological techniques.
D000818:Animals; D010450:Endopeptidases; D006801:Humans; D066298:In Vitro Techniques; D008892:Milk; D012204:Rh-Hr Blood-Group System; D012699:Serology
D012204:Rh-Hr Blood-Group System; D010450:Endopeptidases