Routinely-collected general practice data from the electronic patient record and general practitioner active electronic questioning method: A comparative study, Moreels, S, Bossuyt Nathalie, Vanthomme K., Goderis G., and Van Casteren Viviane , Stud.Health Technol.Inform., 30/6/2013, Volume 192, Number 514, p.510 - 514, (2013)