Links
 
     
  National Library of Medicine/PubMed (Medline) http://www.ncbi.nlm.nih.gov/entrez/query.fcgi
     
  The Cochrane Collaboration http://www.cochrane.de
     
  Physiotherapy Evidence Database (PEDro) http://ptwww.cchs.usyd.edu.au/pedro/
     
  Akademie zur Medizinischen Fort- und Weiterbildung http://www.akademie-bad-saeckingen.de