TY  - JOUR 
T1  - What necessitates the conversion to open cholecystectomy? A retrospective analysis of 5164 consecutive laparoscopic operations
JO  - Clinics
A1  - Genc, Volkan
A1  - Sulaimanov, Marlen
A1  - Cipe, Gokhan
A1  - Basceken, Salim Ilksen
A1  - Erverdi, Nezih
A1  - Gurel, Mehmet
A1  - Aras, Nusret
A1  - Hazinedaroglu, Selcuk M
SN  - 1807-5932
UL  - 10.1590/S1807-59322011000300009
VL  - 66 
Y1  - 2011
PB  - Brasil 
ER  -