Mooney J J, Cole J O, Schatzberg A F, Gerson B, Schildkraut J J
Am J Psychiatry. 1985 Mar;142(3):366-7. doi: 10.1176/ajp.142.3.366.
The authors present preliminary data showing that pretreatment levels of urinary 3-methoxy-4-hydroxyphenylglycol (MHPG) were significantly higher in six depressed patients who responded to the antidepressant effects of alprazolam than in six depressed patients who showed no antidepressant response.