Riise, T., Wolfson, C. The Epidemiologic Study of Exogenous Factors in the Etiology of Multiple Sclerosis. Philadelphia: Lippincott - Raven, 1997 82 p.
Riise, T., Wolfson, C. The Epidemiologic Study of Exogenous Factors in the Etiology of Multiple Sclerosis. Philadelphia: Lippincott - Raven, 1997 82 p.
Riise, T., Wolfson, C. (1997) The Epidemiologic Study of Exogenous Factors in the Etiology of Multiple Sclerosis, Philadelphia: Lippincott - Raven 82 p.
Riise, T., & Wolfson, C. (1997). The Epidemiologic Study of Exogenous Factors in the Etiology of Multiple Sclerosis. Philadelphia: Lippincott - Raven, 82 p.
Riise T, Wolfson C. The Epidemiologic Study of Exogenous Factors in the Etiology of Multiple Sclerosis. Philadelphia: Lippincott - Raven; 1997. p. 82 p.