00226nam a22000977a 4500003000400000082001900004100002200023245004000045260003500085300000800120SGT  a617.5605bA10S  aSHEN, FRANCIS H.   aARTHRITIS & ARTHROPLASTY THE SPINE   aPHILADELPHIA bSAUNDERS c2010  a392