1. A randomised, double blind, placebo controlled trial with vitamin D3 as an add on treatment to interferon β-1b in patients with multiple sclerosis. Issue 5 (22nd February 2012) Authors: Soilu-Hänninen, Merja; Åivo, Julia; Lindström, Britt-Marie; Elovaara, Irina; Sumelahti, Marja-Liisa; Färkkilä, Markus; Tienari, Pentti; Atula, Sari; Sarasoja, Taneli; Herrala, Lauri; Keskinarkaus, Irma; Kruger, Johanna; Kallio, Timo; Rocca, Maria A; Filippi, Massimo Journal: Journal of neurology, neurosurgery and psychiatry Issue: Volume 83:Issue 5(2012) Page Start: 565 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗