Intrarater and inter-rater reliability of maximal voluntary neck muscle strength assessment using a handheld dynamometer in women with headache and healthy women - Carnevalli, Ana Paula de Oliveira; Grossi, Débora Bevilaqua; Oliveira, Ana Izabela Sobral; Carvalho, Gabriela Ferreira; Fernández-De-Las-Peñas, César; Florencio, Lidiane Lima (Journal of Manipulative and Physiological Therapeutics, 2018)