Scarpa, Maria-Grazia, Giordano Perin, Massimo Di Grazia, Daniela Codrich, Federica Pederiva, Edoardo Guida, Maria Antonietta Lembo, Antonio Giannotta, and Jürgen Schleef. 2017. “Surgery for Distal Hypospadias: What about the Catheter?”. La Pediatria Medica E Chirurgica 39 (3). https://doi.org/10.4081/pmc.2017.145.