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(+) => d-ribono-1,4-lactone + nadh + h(+)