Quality by Design: Development of the Quality Target Product Profile (QTPP), Critical Quality Attributes (CQAs), Critical Material Attributes (CMAs) and Critical Process Parameters (CPPs) for Transdermal Drug Delivery Systems - C. Pandian; Praveen Kumar D; Gowtham A; Pooja B; Gunaseelan M; Keerthana M (International Journal of Pharmaceutical Sciences and Medicine, 2026)