title: Single-dose doxycycline in the treatment of lobar pneumonia; comparative trial against procaine penicillin.
mesh_terms: D004305:Dose-Response Relationship, Drug; D004318:Doxycycline / Q000008:administration & dosage / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D010402:Penicillin G Procaine / Q000627:therapeutic use*; D011018:Pneumonia, Pneumococcal / Q000188:drug therapy*
chemical_list: D010402:Penicillin G Procaine; D004318:Doxycycline