@misc{indiciaebffd197c610e, title = {Proportionally, more NPs practice in 'frontier' counties.}, author = {K Hynes}, year = {1992}, doi = {10.1097/00006205-199202000-00012}, url = {https://pubmed.ncbi.nlm.nih.gov/1542461/}, note = {Source identifier: 1542461} }