Abdullaiev, R. Ya.; Kalashnikov, V. I.; Tovazhnyanska, O. L.; Stoyanov, A. N.; Kauk, O. I.
(2019)
Tension-type headache (TTH) is very common, with a lifetime prevalence in the general
population ranging in different studies between 30% and 78%. TTH, divided into episodic and chronic types,
introduced in the manual ...