Sakabe FF, Sakabe DI, Gonçalves GA, Santos PB dos. Manipulation based on Fryette’s Laws increases heart rate variability and muscle flexibility in subjects with headache. mtprehabjournal [Internet]. 2018 Oct. 24 [cited 2024 Apr. 19];:1-6. Available from: https://www.submission-mtprehabjournal.com/revista/article/view/881