Değer Müslim Dogan, and Serdar Madendere. “Erectile Dysfunction Treatment With Phosphodiesterase-5 Inhibitors: Google Trends Analysis of Last 10 Years and COVID-19 Pandemic”. Archivio Italiano di Urologia e Andrologia 93, no. 3 (October 1, 2021): 361–365. Accessed May 9, 2024. https://www.pagepressjournals.org/aiua/article/view/aiua.2021.3.361.