The sub-typing of group A bloodstains.
D000042:Absorption; D000372:Agglutination Tests; D000906:Antibodies / Q000032:analysis; D001789:Blood Group Antigens; D001801:Blood Stains; D006801:Humans; D008722:Methods; D010936:Plant Extracts; D013997:Time Factors
D000906:Antibodies; D001789:Blood Group Antigens; D010936:Plant Extracts