Thirunavukkarasu, Saravanamuthu, Kishore Sandu, Sasikumar Revathy, Singaravelu Ramesh, and Selvarajan Namasivayam. 2020. “Bifid Epiglottis With Midline Laryngeal Hamartoma: A Rare Presentation of Pallister Hall Syndrome”. International Journal of Contemporary Pediatrics 7 (12):2406-8. https://doi.org/10.18203/2349-3291.ijcp20205108.