Use of strong opioids among community-dwelling persons with and without Alzheimer's disease in Finland. - Bell JS; Laitinen ML; Lavikainen P; Lönnroos E; Uosukainen H; Hartikainen S; Bell, Simon J; Laitinen, Marja-Liisa; Lavikainen, Piia; Lönnroos, Eija; Uosukainen, Hanna; Hartikainen, Sirpa (PAIN, 2011)