@misc{indiciaeb8f1ac36fdf7, title = {Manpower issues and subspecialists.}, author = {V A Portnoi}, year = {1979}, doi = {10.7326/0003-4819-90-4-724\_2}, url = {https://pubmed.ncbi.nlm.nih.gov/434670/}, note = {Source identifier: 434670} }