Sfoungaris D, Valioulis I, Patoulias I. Piesis Sign Distinguishing Non-Ischemic Priapism in a Child. APSP J Case Rep [Internet]. 18Jun.2018 [cited 31Jan.2026];9(2):8. Available from: http://www.apspjcaserep.com/ojs1/index.php/ajcr/article/view/5