TY - JOUR T1 - Comparison study of two different patient-controlled anesthesia regiments after cardiac surgery JO - Brazilian Journal of Cardiovascular Surgery A1 - Mota, Fabiane Almeida A1 - Marcolan, João Fernando A1 - Pereira, Mara Helena Corso A1 - Milanez, Adriano Márcio de Melo A1 - Dallan, Luis Alberto Oliveira A1 - Diccini, Solange SN - 0102-7638 UL - 10.1590/S0102-76382010000100011 VL - 25 Y1 - 2010 PB - Brasil ER -