Walid Amir Sabry, Mahmoud Fahmi Elsebai, Mohamed Amir Sabry, Saleh Hassan Elsharkawy and Ashraf Taha Khalil 2020. Bioactive Natural Products from Polyalthia Longifolia and its Fungal Endophyte Alternaria sp. World Journal of Pharmaceutical Sciences. 8, 11 (Oct. 2020), 39–46.