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(+)