@misc{indiciaee7f1cbeeae73, title = {Per-procedure endoscopy costs.}, author = {P C Schroy}, year = {1997}, doi = {10.1016/s0016-5107(97)70223-2}, url = {https://pubmed.ncbi.nlm.nih.gov/9260718/}, note = {Source identifier: 9260718} }