TY  - BOOK
AU  - Nelson, Kenrad E.
AU  - Williams, Carolyn Masters
TI  - Infectious Disease Epidemiology : : Theory and Practice
SN  - 9780763728793
AV  - RA643.I6535 
PY  - 2007///
CY  - Cambridge: 
PB  -  Jones and Bartlett Publishers
ER  -