National Center for Health Statistics (U.S.). Vital and health statistics. Series 14, Data on national health resources. Washington, D.C.: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O..
Citación estilo ChicagoNational Center for Health Statistics (U.S.). Vital and Health Statistics. Series 14, Data On National Health Resources. Washington, D.C.: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O..
Cita MLANational Center for Health Statistics (U.S.). Vital and Health Statistics. Series 14, Data On National Health Resources. Washington, D.C.: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O..