Abstract
References
1.
Rogers
B.
(1994 ). Occupational health nursing: Concepts and practice . Philadelphia : W.B. Saunders .
2.
Rutala
W.
, &
Weber
D.
(1997 ). Epidemiology: A critical tool for infection control professionals . American Journal of Infection Control , 25 (6 ), 5 –6 .
3.Tyler and Last . (1992 ). Public Health and Preventive Medicine . Norwalk, C.T. : Appleton & Lang .