Conservative versus aggressive transfusion regimens in sickle cell disease.
D000755:Anemia, Sickle Cell / Q000601:surgery / Q000628:therapy*; D001803:Blood Transfusion; D016009:Chi-Square Distribution; D003627:Data Interpretation, Statistical; D006801:Humans; D016017:Odds Ratio; D011183:Postoperative Complications / Q000453:epidemiology*; D011300:Preoperative Care; D065227:Transfusion Reaction