Show 5 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Nelson-Field, Karen" or (type any "bookEditor journalEditor issueEditor" and editor="Nels... Add to list Journal Article A1 open access A web-based, social networking physical activity intervention for insufficiently active adults delivered via Facebook app : randomized controlled trial Carol Maher, Monika Ferguson, Corneel Vandelanotte, Ron Plotnikoff, Ilse De Bourdeaudhuij (UGent) , Samantha Thomas, Karen Nelson-Field and Tim Olds (2015) JOURNAL OF MEDICAL INTERNET RESEARCH. 17(7).