title: Acquired von Willebrand syndrome in cardiac patients.
mesh_terms: D000328:Adult; D000368:Aged; D017081:Cholecystectomy, Laparoscopic / Q000009:adverse effects; D005260:Female; D006331:Heart Diseases / Q000097:blood*; D006801:Humans; D019106:Postoperative Hemorrhage / Q000209:etiology*; D014842:von Willebrand Diseases / Q000150:complications*