00556nam a22001812  4500001001100000005001700011008004100028020001700069040001500086100003100101245008800132250001300220260003200233300001800265650005500283700003300338852000300371000002011220151217152208.0110704s         xx           000 0 eng d  a1405103418 :  aKABUcKABU1 aAyala, Carlos.@000018019310aBoards and wards :ba review for USMLE steps 2 & 3 /cCarlos Ayala, Brad Spellberg.  a2nd  ed.  aOxford :bBlackwell,c2003.  axvii, 363  p. 0aMedicinexExamination, questions, etc.@00001801941 aSpellberg, Brad.@00001801951