00544nam a22001217a 4500020001800000082001200018100004500030245015400075260005600229300003300285505004500318650005900363  a9780071467650  a617.564  aKatz, Jeffrey Neil and Parkinson, Gloria  aHeal Your Aching Back : What a Harvard Doctor Wants you to Know About Finding Relief & Keeping Your Back StrongcJeffrey N. Katz and Gloria Parkinson  aNew YorkbMcGraw-Hill Professional Publishingc2007  axvii,269 Pagesb23x15 cmbPB  aInclude Illustration, Glossary and Index  aBackacheaBack--Care and hygieneaBackache--Prevention