References
- Coggon D. Sickness absence: the doctor's role. Br Med J 1988; 297: 636–7
- Sheikh K, Mattingly S. Long-term disability and return to work. J Roy Coll Gen Pract 1981; 31: 670–3
- Sosialdepartementet. Oppfølging av langtidssykmeldte (Follow-up of persons with long-term sickness certification) NOU 1986 22. Universitetsforlaget, Oslo 1986, (in Norwegian)
- Tellnes G. Sickness certification in general practice: a review. Fam Pract 1989; 6: 58–65
- Tellnes G, Bjerkedal T. Epidemiology of sickness certification. Scand J Soc Med 1989; 17: 245–51
- Tellnes G, Svendsen K-OB, Bruusgaard D, Bjerkedal T. Incidence of sickness certification. Scand J Prim Health Care 1989; 7: 111–8
- Tellnes G. Days lost by sickness certification. Scand J Prim Health Care 1989; 7: 245–51
- Rikstrygdeverket. Oppgjør for sykepenger til statstjenestemenn (Sickness benefits to civil servants). Rikstrygdeverket, Oslo 1986, (in Norwegian)
- SAS Institute Inc. Statistical analysis system. SAS Institute, Cary, NC 1986
- Armitage P, Berry G. Statistical methods in medical research 2nd ed. Blackwell scientific publications, Oxford 1988
- Dahl E. Langtidssykmeldte - hvor kommer de fra, hva slags hjelp får de, hvor går de? (Persons with long-term sickness certification). Sosialdepartementet, Oslo 1985, (in Norwegian)
- Melsom H, Noreik BK, Noreik K. Sykmelding og bruk av rådgivende lege (Medical consultancy work with clients reported sick). Tidsskr Nor Lægeforen 1984; 104: 1748–51, English summary) (in Norwegian
- Mæland JG, Havik OE. After the myocardial infarction. Scand J Rehab Med 1989, suppl No. 22
- Vällfors B. Acute, subacute and chronic low back pain. Scand J Rehab Med 1985, suppl No. 11
- Tellnes G, Fugelli P, Bjørndal A. Treatment of mental problems in general practice. Scand J Soc Med 1987; 15: 131–7
- Gogstad AC. Evaluation of factors determining the results of vocational rehabilitation. Universitetsforlaget, Oslo 1968
- Tellnes G, Edvardsen O, Bjørnsen T, Stensen RV. Tverrfaglige samarbeidsorganer i kommunene: basisgrupper (Interprofessional co-operation groups to help patients with long-term sickness certification). Tidsskr Nor Lægeforen 1989; 109: 1166–9, English summary) (in Norwegian