ALC-2203, a Combination of Coptidis Rhizoma Dry Extract and Ivy Leaf 30% Ethanolic Dry Extract for Acute Bronchitis: Preclinical Pharmacology, Oral Formulation Development and Clinical Evaluation - Nakyeom Lee; Sang Young Jeong; Sang Gil Lee; Eun Byul Lee (Innovations in Acupuncture and Medicine, 2026)