@article{articlee97282d5,
title   = {Oral ketamine and transdermal nitroglycerin as analgesic adjuvants to oral morphine therapy for cancer pain management},
author = {Lauretti, Gabriela Rocha and Lima, Izabel C. P. R. and Reis, Marlene Paulino dos and Prado, William Alves do and Pereira, Newton Lindolfo},
year = {1999},
journal   = {Anesthesiology}
}