1. Urinary antiseptics in asymptomatic bacteriuria of pregnancy;Furness;New Zealand Medical Journal,1975
2. Frequent cystitis in elderly women. A double-blind comparison of hiprex and placebo in general practice;Gundersen;Tidsskrift for Den Norske Laegeforening,1986
3. Prevention of recurrent cystitis in fertile women. A double-blind comparison of hiprex and placebo in general practice;Hoivik H.;Tidsskrift for Den Norske Laegeforening,1984
4. Secondary prevention of recurrent urinary tract infections. Comparison of the effect of placebo, methenamine hippurate, nitrofurantoin and trimethoprim alone;Kasanen;Scandinavian Journal of Infectious Diseases,1982
5. Methenamine hippurate. Short-term catheterization in gynecologic surgery. A double-blind comparison of hiprex and placebo;Knoff;Tidsskrift for Den Norske Laegeforening,1985