Eric Single ... [and others]
World Health Organization, 2003
Buku Teks
Peurifoy, R. L. (Robert Leroy), author
McGraw-Hill, 2002
Buku Teks
Clugston, Richard
Gower Press, 1979
Buku Teks
Sullivan, Eleanor J., 1938-, author
Mosby, 1995
Buku Teks
Matthews, Lawrence M., author
McGraw-Hill , 1983
Buku Teks