title: Districts' use of thrombolytic agents.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D006767:Hospitals, District; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy*; D015912:Thrombolytic Therapy / Q000706:statistics & numerical data*