Sakabe, F. F., Sakabe, D. I., Gonçalves, G. A. and Santos, P. B. dos (2018) “Manipulation based on Fryette’s Laws increases heart rate variability and muscle flexibility in subjects with headache”, Manual Therapy, Posturology & Rehabilitation Journal, pp. 1–6. doi: 10.17784/mtprehabjournal.2018.16.600.