Mental disorders in primary care: prevalence and co-morbidity among disorders. Results from the Functional Illness in Primary care (FIP) studyTomas Toft, Frede Olesen, Lisbeth Frostholm et al.|Psychological Medicine|2005Cited by 257
A New, Empirically Established Hypochondriasis DiagnosisPer Fink, Frede Olesen, Eva Ørnbøl et al.|American Journal of Psychiatry|2004Cited by 216
A brief case-finding questionnaire for common mental disorders: the CMDQKaj Sparle Christensen, Frede Olesen, Per Fink et al.|Family Practice|2005Cited by 181
The Patients’ Illness Perceptions and the Use of Primary Health CareLisbeth Frostholm, John Weinman, Per Fink et al.|Psychosomatic Medicine|2005Cited by 152
Do illness perceptions predict health outcomes in primary care patients? A 2-year follow-up studyLisbeth Frostholm, Per Fink, Frede Olesen et al.|Journal of Psychosomatic Research|2007Cited by 125