The Relationship between theSeverity of Obstructive Sleep Apnea (OSA) and Tension-Type Headache Frequency - Aprilia; Herlina Suryawati; M.I. Widiastuti; Aris Catur Bintoro; EndangKustiowati; Jimmy Eko Budi Hartono (Indian Journal of Forensic Medicine & Toxicology, 2021)