Prof. Dr. Hassan A.H. Al-Shamahy is working Head of Dept. of Basic Sciences and Lecturer of oral microbiology and the Msc dentistry co-coordinators faculty of dentistry, Sana'a University, Yemen.
His research area focuses on medical microbiology and immunology. He has more than 33 Yrs, of teaching and research experience. He has more than 40 National and International publications.
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