TY  - BOOK
AU  - Ayala,Carlos
AU  - Spellberg,Brad
TI  - Microbiology for the boards and wards: USMLE step 1 
SN  - 0632045760
PY  - 2001///
CY  - Malden, MA
PB  - Blackwell Science
KW  - Microbiology
KW  - Examination Questions
KW  - Antibiotics
KW  - therapeutic use
KW  - Communicable Diseases
ER  -