00335nas a2200133   4500000000100000008004100001653001200042653001100054100001300065245010000078300001000178490000700188050000600195       2004                            d10aChecked10aletter1 aMaher C.00aUser's guide to the chiropractic literature -- 1A: how to use an article about therapy (letter)  a70-710 v27  aN