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 May 5];4(6):21-30. Available from: https://www.journals.acspublisher.com/index.php/irjay/article/view/15199