Langman, M.J.S.
The epidemiology of chronic digestive disease / M.J.S. Langman
Edward Arnold, 1979
 Buku Teks
Epidemiology
 Buku Teks
Gordis, Leon
Epidemiology
Saunders Elsevier, 1996
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Gordis, Leon
Epidemiology
Saunders Elsevier, 2009
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Pinder, Ruth
The Management of chronic illness : patient and doctor perspectives on Parkinsons disease / Ruth Pinder
MacMillan Press , 1990
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