Machine learning approach to predict postoperative opioid requirements in ambulatory surgery patients. - Nair, Akira A.; Velagapudi, Mihir A.; Lang, Jonathan A.; Behara, Lakshmana; Venigandla, Ravitheja; Velagapudi, Nishant; Fong, Christine T.; Horibe, Mayumi; Lang, John D.; Nair, Bala G. (PLoS ONE, 2020)