@misc{indiciaeb7e0457d762d, title = {Routine pre-operative cholangiography--a retrospective study.}, author = {R Gupta and S Sawhney and M Berry and N C Mishra}, year = {1988}, doi = {10.1111/j.1440-1673.1988.tb02781.x}, url = {https://pubmed.ncbi.nlm.nih.gov/3248088/}, note = {Source identifier: 3248088} }