Backpack = back pain.
Guyer
R L
RL
Kennedy Institute of Ethics, Healy-4th Floor, Georgetown University, Washington, DC 20057, USA. rlg3@gunet.georgetown.edu
D000293:Adolescent; D001416:Back Pain / Q000209:etiology / Q000517:prevention & control*; D002648:Child; D006801:Humans; D017770:Lifting / Q000009:adverse effects*; D019876:Sports Equipment / Q000009:adverse effects*; D013334:Students