when haloperidol ( 10.0-24.5 micrograms/kg i.v . ) , a da2-antagonist , was given 5 minutes before b-ht 920 ( 10 micrograms/kg ) or apomorphine ( 32 micrograms/kg ) , it caused a dose-dependent prevention of b-ht 920- and apomorphine-induced emesis .
C0018546
haloperidol
C0042963
emesis