title: Oral chloroquine therapy in premature beats.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D002738:Chloroquine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D002738:Chloroquine