Youngkin, Ellis Quinn
Appleton & Lange , 1998
Buku Teks
World Health Organization
World Health Organization, 1990
Buku Teks
Richardson, Paul
Aga Khan Univ.-URCCHS, 1993
Buku Teks
Chapman & Hall Medical, 1993
Buku Teks
Shoske, Daniel A., editor
Springer, 2012
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