TY  - JOUR 
T1  - Morphine does no promote esophageal carcinogenesis in rats exposed to diethylnitrosamine
JO  - Arquivos de Gastroenterologia
A1  - Dillenburg, Carlos Frota
A1  - Kruel, Cleber Dario Pinto
A1  - Cerski, Carlos Thadeu
A1  - Edelweiss, Maria Isabel
A1  - Silva, Tiago Luís Dedavid e
A1  - Schier, André Silvio
SN  - 0004-2803
UL  - 10.1590/S0004-28032008000100016
VL  - 45 
Y1  - 2008
PB  - Brasil 
ER  -