By Odike M.   Okonkwo J.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|26|3|282-283

Informa Healthcare‎(2006)‎

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By Okonkwo J. E. N.   Udigwe G. O.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|27|6|628-630

Informa Healthcare‎(2007)‎

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By Maepa C. E.   Jayaramudu J.   Okonkwo J. O.   Ray S. S.   Sadiku E. R.   Ramontja J.   in International Journal of Polymer Analysis and Characterization

ISSN:1023-666X|20|2|99-109

Taylor & Francis Ltd‎(2015)‎

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By Okonkwo J.E.N.   in Advances in Contraception

ISSN:0267-4874|15|1|61-68

Springer Publishing Company ‎(1999)‎

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By Okonkwo J.E.N.   Ibeh C.C.   in International Journal of Gynecology and Obstetrics

ISSN:0020-7292|83|3|325-326

Elsevier‎(2003)‎

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By Olorundare O.F.   Msagati T.A.M.   Krause R.W.M.   Okonkwo J.O.   Mamba B.B.   in Chemistry and Ecology

ISSN:0275-7540|30|5|473-490

Taylor & Francis Ltd‎(2014)‎

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