TY  - BOOK
AU  - O'Connell,Theodore X.
TI  - USMLE step 2 secrets: questions you will be asked 
T2  - Secrets series
SN  - 9780323188142
PY  - 2014///
CY  - Philadelphia, PA
PB  - Elsevier/Mosby
KW  - Clinical medicine
KW  - Examination Questions
ER  -