Zoya Shafat (2024) “Amino Acid Patterns Reveal Involvement of Open Reading Frame 4 in HEV Pathogenesis: A Protein with Multiple Functions”, Open Reading Frame 4 - A Multifunctional Protein of Hepatitis E Virus, pp. 27–43. doi: 10.9734/bpi/mono/978-81-976932-1-2/CH3.