The appropriateness of spinal manipulation for low-back pain :  data collection instruments and a manual for their use / 
Paul G. Shekelle ... [et al.]. 
 - Santa Monica, CA :  Rand,  1995. 
 - v, 126 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0833016563 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chiropractic--utilization.<br/>Data Collection--Methods.