a 3beta-hydroxysteroid + NAD(+) => a 3-oxosteroid + NADH + H(+)
a 3beta-hydroxysteroid + nad(+) => a 3-oxosteroid + nadh + h(+)
a 3beta-hydroxysteroid + NAD(+) => a 3-oxosteroid + NADH + H(+)
a 3beta-hydroxysteroid + nad(+) => a 3-oxosteroid + nadh + h(+)