Verma SK, Haye A, Saxena S, Junaid M, Sharma MC. Fifatrol, An Ayurvedic Formulation- A Prospective Multi-Center Observational Study On The Symptoms of Upper Respiratory Tract Infections. irjay [Internet]. 2021 Jun. 30 [cited 2025 Apr. 8];4(6):21-30. Available from: https://journals.acspublisher.com/index.php/irjay/article/view/15199