in the in vitro binding studies , 3h-dht ( 5 x 10 ( 9 ) m ) and 3h-estradiol ( 5 x 10 ( -9 ) m ) were incubated with cytosol prepared from brain in the presence of varying concentrations of morphine sulfate ( 10 ( -3 ) - 10 ( -9 ) m ) and methadone hydrochloride ( 10 ( -3 ) - 10 ( -9 ) m ) .
C0006104
brain
C0086045
concentrations