"I don't see many adults on a bicycle" - Is it time to despair for the human race? Reflections on the gap between the numbers of bicycles owned and the numbers of cyclists
"Where have all the bicycles gone?" Are bicycle sales in Australia translated into health-enhancing levels of bicycle usage?
Physical activity, walking and leanness: An analysis of the Northern Ireland Sport and Physical Activity Survey (SAPAS)
The contribution of active travel (walking and cycling) in children to overall physical activity levels: a national cross sectional study
Weather factor impacts on commuting to work by bicycle