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Micrograms of cholesterol per mg protein in Npc1+/+ (white); Npc1−/− (grey); and GFAP-Npc1, Npc1−/− (black) mice. Error bars are std. dev. (a) small intestine (*p ≤ 0.05, **p ≤ 0.01 to Npc1−/−; Student T Test). (b) large intestine (*p ≤ 0.05 to Npc1+/+; Student T Test).
