dyskinetic biting induced by 2-di-n-propylamino-5,6-dihydroxytetralin was antagonized by bilateral injections into the striatum of pge2 ( 0.001-1 microgram ) , but not pge1 ( 0.5 micrograms ) and pgf2 alpha ( 1 microgram ) but not pge , ( 0.5 micrograms ) and pgf2 alpha ( 1 microgram ) .
C0012472
pge2
C0033559
pge