title: Long-term use of labetalol.
mesh_terms: D000328:Adult; D000368:Aged; D004361:Drug Tolerance; D004983:Ethanolamines / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007741:Labetalol / Q000008:administration & dosage* / Q000009:adverse effects; D008297:Male; D008875:Middle Aged
chemical_list: D004983:Ethanolamines; D007741:Labetalol