D-ribono-1,4-lactone + NADH + H(+) = D-ribose + NAD(+)
d-ribono-1,4-lactone + nadh + h(+) = d-ribose + nad(+)
D-ribono-1,4-lactone + NADH + H(+) = D-ribose + NAD(+)
d-ribono-1,4-lactone + nadh + h(+) = d-ribose + nad(+)