@misc{indiciae82d1a8bf0c1a, title = {Variation in surgical rates: a population study.}, author = {I Ruiz and I Hernandez-Aguado and P Garrido}, year = {1998}, doi = {10.1097/00005650-199809000-00004}, url = {https://pubmed.ncbi.nlm.nih.gov/9749655/}, note = {Source identifier: 9749655} }