TY - JOUR T1 - Formulation and Evaluation of Transdermal Gel of Sildenafil Citrate JF - International Journal of Pharmaceutical Research and Allied Sciences JO - Int J Pharm Res Allied Sci SN - 2277-3657 Y1 - 2012 VL - 1 IS - 3 SP - 103 EP - 118 UR - https://ijpras.com/article/formulation-and-evaluation-of-transdermal-gel-of-sildenafil-citrate ER -