International case-control study on risk factors for multiple sclerosis (MS): pilot testing the questionnaire

International case-control study on risk factors for multiple sclerosis (MS): pilot testing the questionnaire / Pugliatti, Maura; Casetta, I; Cossu, P; De Gennaro, R; Drulovic, J; Granieri, Enrico; Holmoy T., Kampman M; Landtblom, Am; Lauer, K; Myhr, Km; Riise, T; Wolfson, C.. - In: MULTIPLE SCLEROSIS. - ISSN 1352-4585. - 15:11(2009), pp. 1403-1403. (Intervento presentato al convegno 14th Annual Meeting of the Americas-Committee-for-Treatment-and-Research-in-Multiple-Sclerosis/Consortium-for-Multiple-Sclerosis-Centers tenutosi a Atlanta, GA, USA nel MAY 27-30, 2009).