National Center for Health Statistics (U.S.). National health statistics reports: Natl Health Stat Report. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.
Citación estilo ChicagoNational Center for Health Statistics (U.S.). National Health Statistics Reports: Natl Health Stat Report. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.
Cita MLANational Center for Health Statistics (U.S.). National Health Statistics Reports: Natl Health Stat Report. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.