1. Conservative nonhormonal treatment of patients with benign prostatic hyperplasia;Dreikorn,1989
2. Growing use of medicinal botanicals forces assessment by drug regulators;Marwick;JAMA,1995
3. Combined extracts of Urtica dioica and Pygeum africanum in the treatment of benign prostatic hyperplasia: double-blind comparison of two doses;Krzeski;Clin Ther,1993
4. Urologika;Schmitz,1987
5. Plant extracts in BPH;Di Silverio;Minerva Urol Nefrol,1993