@misc{indiciaec1614da660cf, title = {Effect of backpack fit on lung function.}, author = {S Bygrave and S J Legg and S Myers and M Llewellyn}, year = {2004}, doi = {10.1080/0014013031000157869}, url = {https://pubmed.ncbi.nlm.nih.gov/14668166/}, note = {Source identifier: 14668166} }