title: [31 cases of heart surgery without blood transfusion].
mesh_terms: D000293:Adolescent; D000328:Adult; D001804:Blood Transfusion, Autologous; D002648:Child; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged