TY  - RPRT
TI  - Effect of single and double strap backpacks on lung function.
AU  - S J Legg
AU  - C O Cruz
PY  - 2004
DO  - 10.1080/0014013032000157878
UR  - https://pubmed.ncbi.nlm.nih.gov/14668165/
ID  - 14668165
ER  -