@misc{indiciae1dde88608667, title = {Stratification for elective laparoscopic cholecystectomy.}, author = {W T van den Broek and A B Bijnen and P de Ruiter}, year = {1996}, doi = {10.1007/bf00189537}, url = {https://pubmed.ncbi.nlm.nih.gov/8694941/}, note = {Source identifier: 8694941} }