@article{article4fc7d535,
title   = {Intrathecal morphine plus general anesthesia in cardiac surgery: effects on pulmonary function, postoperative analgesia, and plasma morphine concentration},
author = {Santos, Luciana Moraes dos and Santos, Verônica Cavani Jorge and Santos, Silvia Regina Cavani Jorge and Malbouisson, Luiz Marcelo Sá and Carmona, Maria José Carvalho},
year = {2009},
doi = {10.1590/s1807-59322009000400003},
journal   = {Clinics}
}