Abstract:1Family Medicine Stockholm, Karolinska Institutet, Stockholm, Sweden 2Primary Health Care Centre, Hallstavik, Sweden Reprint requests and correspondence: Lars Agréus, MD, PhD, Family Medicine Stockhol...1Family Medicine Stockholm, Karolinska Institutet, Stockholm, Sweden 2Primary Health Care Centre, Hallstavik, Sweden Reprint requests and correspondence: Lars Agréus, MD, PhD, Family Medicine Stockholm, Novum, SE-141 57 Stockholm, Sweden. Received 14 June 2000; accepted 14 June 2000Read More