edited by Max Samter ; section editor : David W. Talmage [and others]
Little, Brown, 1978
Buku Teks
edited by Max Samter; section editor, David W. Talmage [and others]
Brown and company, 1978
Buku Teks
Artikel Jurnal
Roemer, Milton I., author
Oxford University Press, 1993
Buku Teks
The American Public Health association, 1980
Buku Teks