title: ABO blood-groups and the visual outcome of a retinal venous occlusion.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012169:Retinal Vein; D013923:Thromboembolism / Q000097:blood* / Q000175:diagnosis; D014792:Visual Acuity
chemical_list: D000017:ABO Blood-Group System