@misc{indiciae6f5e9cbdd0b9, title = {[Chronic analgesic-induced headache].}, author = {J Dichgans and H C Diener and W D Gerber and E J Verspohl and H Kukiolka and M Kluck}, year = {1984}, doi = {10.1055/s-2008-1069197}, url = {https://pubmed.ncbi.nlm.nih.gov/6141924/}, note = {Source identifier: 6141924} }