Uncovering the Quality Deficiencies with Potentially Harmful Effects in Substandard and Falsified PDE-5 Inhibitors Seized by Belgian Controlling Agencies, Vanhee, Celine, Jacobs Bram, Mori Marcella, Kamugisha Angelique, Debehault Loïc, Canfyn Michael, Ceyssens Bart, Van Der Meersch Hans, Van Hoorde Koenraad, Deconinck Eric, et al. , Forensic Sciences, 01/08/2023, Volume 3, Issue 3, (2023)