Hasler-Nguyen, Nathalie. “EMA’s Proposed Guideline on Quality and Equivalence of Topical Products and Nanotechnology: Future Advances and Challenges ”. Acta Pharmaceutica Hungarica 91, no. 3-4 (November 15, 2021): 232-233. Accessed August 22, 2026. https://www.aph-hsps.hu/acta/index.php/aph/article/view/124.