©2013 National Research Council of Thailand
Benjawan Sophonratanapokin. 2005. Muscle activities of upper trapezius and cervical paraspinal and discomfort during carrying single strap shoulder bag. Field of Study Biostatistics, Mahidol University;
Benjawan Sophonratanapokin. (2005) Muscle activities of upper trapezius and cervical paraspinal and discomfort during carrying single strap shoulder bag . Mahidol University/Bangkok.
Benjawan Sophonratanapokin. Muscle activities of upper trapezius and cervical paraspinal and discomfort during carrying single strap shoulder bag. . Bangkok:Mahidol University, 2005.
Benjawan Sophonratanapokin. (2005) Muscle activities of upper trapezius and cervical paraspinal and discomfort during carrying single strap shoulder bag . Mahidol University/Bangkok.