Comparison of trimethidinium and pempidine in treatment of severe hypertension.
D006973:Hypertension / Q000628:therapy*; D010393:Pempidine; D000644:Quaternary Ammonium Compounds
D000644:Quaternary Ammonium Compounds; C034340:trimethidinium; D010393:Pempidine
HYPERTENSION/therapy