Heidemann, E.G.
World Health Organization, 1993
Buku Teks
Levey, Samuel
J.B. Lippincott, 1973
Buku Teks
A. F. Al-Assaf
World Health Organization, 2001
Buku Teks
Levey, Samuel
J.B. Lippincott, 1984
Buku Teks
edited for the International Epidemiological Association and the World Health Organization by Basil S. Hetzel
Oxford University Press, 1978
Buku Teks