000 00409nam a2200193Ia 4500
008 150915s9999 xx 000 0 und d
020 _anull
071 _b5881
072 _aUSMLE obstetrics gynecology
082 _a610.35283
100 _aEl.Sakala
245 _aUSMLE Step 2 CK : Lecture notes.
260 _aKaplan
260 _c2008
300 _a284
440 _n1
942 _a1
942 _s1
999 _c683
_d683