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Abdelghany A. Youssef (Medicinal and Aromatic Plants Research Dept., National Research Centre, Dokki, Giza, Egypt, Chemistry Dept., Fac. of Science, Jazan Univ., Kingdom of Saudi Arabia), Mohammed S. Hussein, Rajab A. Al-Massry, Samah A.El-Newary, Sayed S. El-Saadany, Soheir E. El-Sherbeny
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