Additional effects of a physical therapy protocol on headache frequency, pressure pain threshold, and improvement perception in patients with migraine and associated neck pain: a randomized controlled trial - Bevilaqua-Grossi, Débora; Maria Claudia Gonçalves; Carvalho, Gabriela Ferreira; Florencio, Lidiane Lima; Dach, Fabíola; Speciali, José Geraldo; Bigal, Marcelo Eduardo; Chaves, Thaís Cristina (Archives of Physical Medicine and Rehabilitation, 2016)