TY  - BOOK
AU  - O'Connell,Theodore X.
AU  - Blair,Thomas E.
AU  - Pedigo,Ryan A.
TI  - Crush step 1: the ultimate USMLE step 1 review 
SN  - 9781455756216
PY  - 2014///], ©2014
CY  - Philadelphia
PB  - Elsevier Saunders
KW  - Clinical medicine
KW  - Examination Questions
N1  - Includes index
ER  -