Schäfer, A <br/><br/>
[Subgroup-specific therapy of low back pain: description and validity of two classification systems].  [electronic resource] 

 -  Der Orthopade  Feb 2013 
 - 90-9 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Meta-Analysis; Review; Validation Study 
<br/><br/><label>ISSN: </label>1433-0431 
<br/><br/><label>Standard No.: </label>10.1007/s00132-012-2041-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Low Back Pain--diagnosis<br/>Outcome Assessment, Health Care--methods<br/>Pain Measurement--methods<br/>Prevalence<br/>Reproducibility of Results<br/>Sensitivity and Specificity<br/>Severity of Illness Index<br/>Treatment Outcome