Commentary to 'Topical estradiol increases epidermal thickness and dermal collagen of foreskin prior to hypospadia surgery - randomized double blinded controlled trial'
1 Division of Urology, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, PA 19104, USA. Electronic address: LongC3@email.chop.edu.
2 Division of Urology, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, PA 19104, USA.