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U.S. Department of Health and Human Services, Rockville, USA
Book, Centers for Disease Control and Prevention, Atlanta, USA
Book, National Academy Press, Washington, USA, published 2000
Book, National Academy Press, Washington, USA
Journal, Internet Scientific Publications, LLC., Sugar Land, TX, USA
Internet Scientific Publications
Richard Hunt, University of South Carolina, USA
WHO
Journal, WHO, Cairo, Egypt
Journal, WHO
Journal, WHO, Geneva, Switzerland
Centers for Disease Control and Prevention, Atlanta, USA
Book, The National Academies Press, Washington, USA
Book, The National Academy Press, Washington, USA, 1990
Book, National Academy Press, Washington, DC, USA
Book, National Academy Press, Washington, USA, published 1999
The National Academies of Sciences, Washington, USA
Book, The National Academies of Sciences, Washington, USA
Book, The National Academy of Sciences, Washington, USA
Strana 1 z 4