Reeuwijk, NMVenhuis, BJde Kaste, DHoogenboom, LAPRietjens, IMCMMartena, MJ2025-03-242025-03-2420132426193810.1080/19440049.2013.848294https://rivm.openrepository.com/handle/10029/647415Sildenafil and analogous phosphodiesterase type 5 (PDE-5) inhibitors in herbal food supplements sampled on the Dutch marketArticleFood Addit Contamin Part A Chem Anal Control Expo Risk Assess 2013; 30(12):2027-342025-03-24