BHARATAM, Dr. Kaundinya Kiran.
 Hill’s Classification of Gastro-Oesophageal Flap Valve weakness: A valuable Tool for Endoscopic Grading of Gastro-Oesophageal Reflux Disease.
<strong>Medical Research Archives</strong>, [S.l.], v. 11, n. 5, may 2023.
ISSN 2375-1924.
Available at: &lt;<a href="https://esmed.org/MRA/mra/article/view/3504" target="_new">https://esmed.org/MRA/mra/article/view/3504</a>&gt;. Date accessed: 01 may 2024.
doi: <a href="https://doi.org/10.18103/mra.v11i5.3504">https://doi.org/10.18103/mra.v11i5.3504</a>.