E-mail a Link to a Someone Who you'd like to recommend.
E-mail a link to the following content:
Kim CJ, Son SM, , Kang KW.  The Effect of Chair Backrest on Respiratory Function in Prolonged Sitting Position.  J Kor Phys Ther 2018;30:96-99.  https://doi.org/10.18857/jkpt.2018.30.3.96