TY  - BOOK
AU  - Christie,A.B.
TI  - Infectious diseases : epidemio..
SN  - 0443035857
AV  - MEDREF RC111 C47 
PY  - 1987///
CY  - Edinburgh 
PB  - Churchill Livingstone
KW  - Communicable diseases
N1  - Vol. 2
ER  -