Viraga or Cialis – whats better ?

Viagra DrugWise Researchers could also be one step nearer to a Viagra for women, given the results of a British examine released Tuesday. The principle difference is their period of motion: Viagra works for about 4 hours; Levitra for about 12 hours; and Cialis for about 36 hours. Viagra lost its exclusive patent within the ...continue reading Viraga or Cialis – whats better ?