[Methacycline in non-specific chronic respiratory infections].
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease / Q000188:drug therapy; D006801:Humans; D008690:Methacycline / Q000627:therapeutic use
D000900:Anti-Bacterial Agents; D008690:Methacycline
Metacyklin vid ospecifika kroniska luftvägsinfektioner.