Ramosetron vs. ramosetron plus dexamethasone for the prevention of postoperative nausea and vomiting (PONV) after laparoscopic cholecystectomy: prospective, randomized, and double-blind study.
Jung-Hee Ryu, Ji-Eun Chang, Hye-Rim Kim, Jung-Won Hwang, Ah-Young Oh, Sang-Hwan Do