title: Letter: Assessment of doxycycline.
mesh_terms: D000328:Adult; D004318:Doxycycline / Q000627:therapeutic use*; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D009520:New Zealand; D012141:Respiratory Tract Infections / Q000188:drug therapy*
chemical_list: D004318:Doxycycline