Single-dose oral ciprofloxacin versus placebo for prophylaxis during transrectal prostate biopsy. - Kapoor,D.A.; Klimberg,I.W.; Malek,G.H.; Wegenke,J.D.; Cox,C.E.; Patterson,A.L.; Graham,E.; Echols,R.M.; Whalen,E.; Kowalsky,S.F. (Urology, 1998)