Muscle tenderness in different types of facial pain and its relation to anxiety and depression: A cross-sectional study on 649 patients.

Authors:

Mongini F, Ciccone G, Ceccarelli M, Baldi I, Ferrero L.

Source:

Pain 2007; 131: 106-11.

@PubMed:

http://www.ncbi.nlm.nih.gov/pubmed/17258397