[DISTRIBUTION OF THE ABO BLOOD GROUP AMONG SPANISH STUDENTS OF ZARAGOZA].
D000017:ABO Blood-Group System; D006801:Humans; D013030:Spain; D013223:Statistics as Topic; D013334:Students
D000017:ABO Blood-Group System
ABO FACTORS; SPAIN; STATISTICS
DISTRIBUCI'ON DE LOS GRUPOS SANGU'INEOS ABO EN ESTUDIANTES ESPA NOLES DE ZARAGOZA.