title: Blood-group A and giardiasis.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005873:Giardiasis / Q000097:blood* / Q000453:epidemiology; D006801:Humans; D007223:Infant
chemical_list: D000017:ABO Blood-Group System