edited by Lisa M. Lee, Steven M. Teutsch, Stephen B. thacker, Michael E. St. Louis
Oxford University Press, 2010
Buku Teks
Steven M. Teutsch, R. Elliot Churchill
Oxford University Press, 2000
Buku Teks SO
edited by Lisa M. Lee... [and others]
oxford Univ Press, 2010
Buku Teks SO
Centers for Disease Control and Prevention
Centers for Disease Control and Prevention, 2001
Buku Teks
edited by Joseph S. Lombardo, David L. Buckeridge
Wiley-Interscience, 2007
Buku Teks