TY  - BOOK
AU  - Ayala, Carlos.
AU  - Spellberg, Brad.
TI  - Boards and wards: a review for USMLE steps 2 & 3 
SN  - 0632044934
PY  - 2000///
CY  - Massacusetts
PB  - Blackwell Science
KW  - Clinical Medicine
N1  - Includes index
ER  -