McCormack, Gavin R.Shiell, Alan2012-06-122012-06-122011-06-28McCormack and Shiell: In search of causality: a systematic review of the relationship between the built environment and physical activity among adults. International Journal of Behavioral Nutrition and Physical Activity 2011 8:125. doi:10.1186/1479-5868-8-125http://hdl.handle.net/1880/48974Article deposited according to agreement with BMC, December 6, 2010.engAttribution 3.0 Unportedhttp://creativecommons.org/licenses/by/3.0/In search of causality: a systematic review of the relationship between the built environment and physical activity among adultsjournal article10.11575/PRISM/33634