Steady-state plasma concentrations of imipramine and desipramine in relation to S-mephenytoin 4′-hydroxylation status in Japanese depressive patients - Koyama,E.; Tanaka,T.; Chiba,K.; Kawakatsu,S.; Morinobu,S.; Totsuka,S.; Ishizaki,T. (J Clin Psychopharmacol, 1996)