TY  - BOOK
AU  - Ryan, Kenneth J  .
TI  - Sherris medical microbiology an introduction to infectious diseases / 
SN  - 0-8385-8529-9
U1  - L:4 
PY  - 2004///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - Medical microbiology
ER  -