@misc{indiciae6ac5d1c9a96c, title = {Bicycle helmets: it's time to use them.}, author = {F P Rivara and D C Thompson and R S Thompson}, year = {2000}, doi = {10.1136/bmj.321.7268.1035}, url = {https://pubmed.ncbi.nlm.nih.gov/11053155/}, note = {Source identifier: 11053155} }