4-hydroxybutanoate + NAD(+) => succinate semialdehyde + NADH + H(+)
4-hydroxybutanoate + nad(+) => succinate semialdehyde + nadh + h(+)
4-hydroxybutanoate + NAD(+) => succinate semialdehyde + NADH + H(+)
4-hydroxybutanoate + nad(+) => succinate semialdehyde + nadh + h(+)