Atipon Methatip และ Pongsak Yoktanadana. (2010) Effects of short break neck stretching on neck pain and surface EMG median frequency changes in office workers. Chulalongkorn University:ม.ป.ท.Atipon Methatip และ Pongsak Yoktanadana. 2010. Effects of short break neck stretching on neck pain and surface EMG median frequency changes in office workers. ม.ป.ท.:Chulalongkorn University;Atipon Methatip และ Pongsak Yoktanadana. Effects of short break neck stretching on neck pain and surface EMG median frequency changes in office workers. ม.ป.ท.:Chulalongkorn University, 2010. Print.