Obasohan , Austine O, University of Benin Teaching Hospital, Edo, Nigeria
Obi , Sadiatu Sally , Walden University, College of Health Professionals; Delta State Ministry of Health (Nigerian Institute of Medical Research), Asaba, Delta State Nigeria
Oboh, Roland A, Madonna University, Rivers State Nigeria
Odili-Igba , Ann , Delta State Ministry of Health, Asaba, Nigeria
Ogada, Japheth, Kenya Medical Training College (KMTC)
Ogendo, Dr. Marsellah, Kenya Medical Training College (KMTC)
Ogirisen , Felix , Delta State Ministry of Environment, Asaba, Nigeria
Ogutu, Joel Peter, asinde Muliro University of Science and Technology
Ohaka, J. C. , Rivers State University Teaching Hospital, Port Harcourt
Okamba, Armand P., University of Kinshasa
Okeke, Chukwunwendu Aloysius Franklin, Nnamdi Azikiwe University
Okpara, E. P., Rivers State University, Port Harcourt
Okwuosa , Okwuosa Joseph , Federal Medical Centre Asaba
Olowabi, Owolabi MO, Federal Medical Centre Asaba
Olubiyi, Simeon Olukayode , University of Ilorin, Ilorin, Kwara State, Nigeria.
Oluchina, Dr Sherry, Jomo Kenyatta University of Agriculture and Technology
Omondi, Dickens, Jaramogi Oginga Odinga University of Science and Technology
Onuwaje , Okoke Eseoghene, Delta State University Teaching Hospital
Onwuchekwa, Elendu, C. , Abia State University Uturu
Onwukwe, Nnaemeka A, Madonna University, Rivers State Nigeria
Onyambu, Meshack, Kenyatta University
Opio-Emuna , Simon Henry, Sigma Africa Healthcare LTD
Oranu , E.O., University of Port Harcourt Teaching Hospital, Port Harcourt, Nigeria
Oriji , E. I, College of Medical Sciences, Rivers State University, Port Harcourt, Nigeria
Oriji, I. E, Rivers State University, Port Harcourt

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