title: Value of porphylactic antibacterial therapy in instrumentation of urinary tract.
mesh_terms: D001437:Bacteriuria / Q000209:etiology* / Q000517:prevention & control*; D003558:Cystoscopy / Q000009:adverse effects*; D003707:Demeclocycline / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000209:etiology; D014546:Urinary Catheterization / Q000009:adverse effects*; D014572:Urology / Q000295:instrumentation*
chemical_list: D003707:Demeclocycline