Cyclooxygenase-2 expression in colorectal carcinoma, adenomatous polyps and non-tumour bearing margins of resection tissues in a cohort of black Africans

• Uchenna Simon Ezenkwa ,

  Contributed equally to this work with: Uchenna Simon Ezenkwa, Clement Abu Okolo, Gabriel Olabiyi Ogun, Adegboyega Akere, Olufemi John Ogunbiyi

  Roles Conceptualization, Data curation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Pathology, University College Hospital, Ibadan, Nigeria

  https://orcid.org/0000-0002-7022-8268

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• Clement Abu Okolo ,

  Contributed equally to this work with: Uchenna Simon Ezenkwa, Clement Abu Okolo, Gabriel Olabiyi Ogun, Adegboyega Akere, Olufemi John Ogunbiyi

  Roles Conceptualization, Methodology, Supervision, Writing – review & editing

  Affiliation Department of Pathology, University College Hospital, Ibadan, Nigeria

  ⨯
• Gabriel Olabiyi Ogun ,

  Contributed equally to this work with: Uchenna Simon Ezenkwa, Clement Abu Okolo, Gabriel Olabiyi Ogun, Adegboyega Akere, Olufemi John Ogunbiyi

  Roles Conceptualization, Data curation, Writing – review & editing

  Affiliation Department of Pathology, University College Hospital, Ibadan, Nigeria

  ⨯
• Adegboyega Akere ,

  Contributed equally to this work with: Uchenna Simon Ezenkwa, Clement Abu Okolo, Gabriel Olabiyi Ogun, Adegboyega Akere, Olufemi John Ogunbiyi

  Roles Conceptualization, Data curation, Methodology, Writing – review & editing

  Affiliation Gastroenterology Unit, Department of Internal Medicine, University College Hospital Ibadan, Nigeria

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• Olufemi John Ogunbiyi

  Contributed equally to this work with: Uchenna Simon Ezenkwa, Clement Abu Okolo, Gabriel Olabiyi Ogun, Adegboyega Akere, Olufemi John Ogunbiyi

  Roles Conceptualization, Methodology, Supervision, Writing – review & editing

  * E-mail: fogunbiyi@gmail.com

  Affiliation Department of Pathology, University College Hospital, Ibadan, Nigeria

  https://orcid.org/0000-0002-8748-2879

  ⨯