nippostrongylus brasiliensis infection of the rat resulted , at day 10 of infection , in decreased levels of jejunal enterocyte sodium-potassium-activated adenosine triphosphatase ( na , k-atpase ) and potassium-activated p-nitrophenyl phosphatase ( k-pnppase ) activities .
C0001479
sodium-potassium
C0001473
atpase