000 00359nam a22001217a 4500
020 _a9780323188142
060 _aWB 18.2 O'CO 2014
100 _aO'Connell, Theodore X.
245 _aUSMLE step 2 secrets :questions you will be asked /Theodore X. O'Connell.
250 _aFourth edition.
260 _aPhiladelphia, PA
_bElsevier/Mosby
_c2014
942 _2nlm
_cBK
999 _c13877
_d13877