@misc{indiciaecbfcd93b0061, title = {Developing criteria for ordering common ancillary services.}, author = {R V Harrison and B C Payne}, year = {1991}, doi = {10.1097/00005650-199109000-00006}, url = {https://pubmed.ncbi.nlm.nih.gov/1921536/}, note = {Source identifier: 1921536} }