[Does doxycycline in the standard dosage still work?].
D000900:Anti-Bacterial Agents / Q000008:administration & dosage* / Q000627:therapeutic use; D004318:Doxycycline / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans
D000900:Anti-Bacterial Agents; D004318:Doxycycline