Ebers, G., Sadovnick, A., & Veith, R. (2004). Vitamin D intake and incidence of multiple sclerosis.
Lua i Stíl Chicago (17ú heag.)Ebers, G., A. Sadovnick, agus R. Veith. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.
Lua MLA (9ú heag.)Ebers, G., et al. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.
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