@article{8ae085eabedb42e3a36b32e47d543c9a,
title = "The challenges of evaluating environmental interventions to increase population levels of physical activity: the case of the UK National Cycle Network",
author = "Lawlor, \{D A\} and Ness, \{A R\} and Cope, \{A M\} and A Davis and P Insall and C Riddoch",
note = "ID number: ISI:000180747000007",
year = "2003",
language = "English",
volume = "57",
pages = "96--101",
journal = "Journal of Epidemiology \& Community Health",
issn = "0143-005X",
publisher = "BMJ Publishing Group",
number = "2",
}