A cross-sectional study of travel patterns of older adults in the USA during 2015: implications for mobility and traffic safety
Shen, Sijun ; Koech, Wilson ; Feng, Jing ; Rice, Thomas M ; Zhu, Motao
BMJ open, 2017-08, Vol.7 (8), p.e015780-e015780 [Periódico revisado por pares]England: BMJ Publishing Group LTD
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