Luedtke, Kerstin Comment on Castien et al. (2018) pressure pain thresholds over the cranio-cervical region in headache - a systematic review and meta-analysis. [electronic resource] - The journal of headache and pain 04 2018 - 30 p. digital Publication Type: Letter; Comment ISSN: 1129-2377 Standard No.: 10.1186/s10194-018-0859-x doi Subjects--Topical Terms: HeadacheHumansPain ThresholdPressure