JINDAWONG, N.; VONGVAIVANICH, K.; CHANSAKUL, C.; LERTAKYAMANEE, P.; YONGPRAWAT, T.; JARRAT, L.; POKUM, A. A 14 Weeks Prospective Pilot Study of the Headache Registry Program at Bangkok Hospital Medical Center. The Bangkok Medical Journal, v. 7, n. 1, p. 20, 20 Feb. 2014.