Sirinant Channak และผู้แต่งคนอื่นๆ. (2012) A randomized controlled trial of acupressure backrest in chronic low back pain: a study in office workers. Chulalongkorn University:ม.ป.ท.Sirinant Channak และผู้แต่งคนอื่นๆ. 2012. A randomized controlled trial of acupressure backrest in chronic low back pain: a study in office workers. ม.ป.ท.:Chulalongkorn University;Sirinant Channak และผู้แต่งคนอื่นๆ. A randomized controlled trial of acupressure backrest in chronic low back pain: a study in office workers. ม.ป.ท.:Chulalongkorn University, 2012. Print.