National Center for Health Statistics (U.S.). Vital & health statistics. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics and Technology, National Center for Health Statistics ; 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 & Health Statistics. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics and Technology, National Center for Health Statistics ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O..
Cita MLANational Center for Health Statistics (U.S.). Vital & Health Statistics. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics and Technology, National Center for Health Statistics ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O..