| David Rojas-Rueda Replacing car trips by increasing bike and public transport in the greater Barcelona metropolitan area: a health impact assessment studyD Rojas-Rueda Centre for Research in Environmental Epidemiology CREAL, c Doctor Aiguader 88, 08003 Barcelona, Spain Environ Int 49:100-9. 2012 The health risks and benefits of cycling in urban environments compared with car use: health impact assessment studyDavid Rojas-Rueda Center for Research in Environmental Epidemiology, c Doctor Aiguader 88, 08003 Barcelona, Spain BMJ 343:d4521. 2011
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