Clinical data and characteristics differentiating types of peptic ulcer.
D000017:ABO Blood-Group System; D000328:Adult; D000367:Age Factors; D001062:Appendectomy; D001789:Blood Group Antigens; D005260:Female; D005745:Gastric Acidity Determination; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000097:blood / Q000145:classification* / Q000209:etiology / Q000235:genetics; D012463:Saliva / Q000032:analysis; D012907:Smoking; D013223:Statistics as Topic; D013649:Taste
D000017:ABO Blood-Group System; D001789:Blood Group Antigens