TY  - JOUR 
T1  - Prevalence of gallstones in 1,229 patients submitted to surgical laparoscopic treatment of GERD and esophageal achalasia: associated cholecystectomy was a safe procedure
JO  - ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)
A1  - SALLUM, Rubens Antonio Aissar
A1  - PADRÃO, Eduardo Messias Hirano
A1  - SZACHNOWICZ, Sergio
A1  - SEGURO, Francisco C. B. C.
A1  - BIANCHI, Edno Tales
A1  - ECCONELLO, CIvan
SN  - 0102-6720
UL  - 10.1590/S0102-67202015000200007
VL  - 28 
Y1  - 2015
PB  - Brasil 
ER  -