title: MN determination in bloodstains--selective destruction of cross-reacting activity.
mesh_terms: D001801:Blood Stains; D002918:Chymotrypsin; D003429:Cross Reactions; D005554:Forensic Medicine; D006801:Humans; D008951:MNSs Blood-Group System
chemical_list: D008951:MNSs Blood-Group System; D002918:Chymotrypsin