These files are typically hosted on private educational platforms or distributed through official social media channels. Based on recent data, a direct, public ".rar" download link from an authoritative academic source is not available. How to Find or Access

Research by Mohammed Gamal Hassanein published in journals like the New England Journal of Medicine .

If you are researching performance-related academic papers, several researchers named Mohamed Gamal have published works on ResearchGate , covering topics like: