Kefir consumption does not alter plasma lipid levels or cholesterol fractional synthesis rates relative to milk in hyperlipidemic men: a randomized controlled trial [ISRCTN10820810].

St-Onge, M.-P., Farnworth, E.R., Savard, T., Chabot, D., Mafu, A.A., and Jones, P.J.H. (2002). "Kefir consumption does not alter plasma lipid levels or cholesterol fractional synthesis rates relative to milk in hyperlipidemic men: a randomized controlled trial [ISRCTN10820810].", BMC Complimentary and Alternative Medicine Journal, 2:1.