Preventive effect of different injection modes of ondansetron hydrochloride on postoperative nausea and vomit in gynecologic patients with patient-controlled intravenous analgesia;

The comparison of the preventive effect on chemotherapy-induced nausea and vomiting in post-operative esophageal carcinoma patients treated by granisetron and ondansetron;

A clinical study on the influence of postoperative nausea and vomitting by different administrations of Ondansetron;