@misc{indiciaec09f53cc1e7c, title = {A collaborative ambulatory preoperative evaluation model. Implementation, implications, evaluation.}, author = {B A Swan}, year = {1994}, doi = {10.1016/s0001-2092(07)70407-6}, url = {https://pubmed.ncbi.nlm.nih.gov/8147590/}, note = {Source identifier: 8147590} }