@misc{indiciae49370017a813, title = {Gray matter decrease in patients with chronic tension type headache.}, author = {T Schmidt-Wilcke and E Leinisch and A Straube and N Kämpfe and B Draganski and H C Diener and U Bogdahn and A May}, year = {2005}, doi = {10.1212/01.wnl.0000183067.94400.80}, url = {https://pubmed.ncbi.nlm.nih.gov/16275843/}, note = {Source identifier: 16275843} }