edited by Cath Rogers-Clark
Maclennan + Petty , 1998
Buku Teks
Youngkin, Ellis Quinn, author
Appleton & Lange , 1998
Buku Teks
edited by Phyllis C. Leppert
J.B. Lippincott, 1997
Buku Teks
edited by Dawn P. Lemcke [and others]
Appleton & Lange, 1995
Buku Teks
World Health Organization, 1984
Buku Teks