1. Falls, a community perspective;van Weel;Lancet,1995
2. Falls in the nursing home;Rubenstein;Ann Intern Med,1994
3. Yleissairaaloiden poistoilmoitusrekisterien kattavuus ja luotettavuus;Salmela;Sairaala,1987
4. Accuracy of data on diagnosis, procedures and accidents in the Finnish hospital discharge register;Keskimaki;Int J Health Sci,1991
5. Fractures in older persons;Thorngren;Disabil Rehab,1994