Prevalence, seroconversion and mother-to-child transmission of dual and triplex infections of HIV, hepatitis B and C viruses among pregnant women in Nigeria: study protocol oleh George Uchenna Eleje, Ikechukwu Innocent Mbachu, Uchenna Chukwunonso Ogwaluonye, Stephen Okoroafor Kalu, Chinyere Ukamaka Onubogu, Sussan Ifeyinwa Nweje, Chinwe Elizabeth Uzochukwu, Chike Henry Nwankwo, Preye Owen Fiebai, Olabisi Morebise Loto, Godwin Otuodichinma Akaba, Hadiza Abdullahi Usman, Ayyuba Rabiu, Richard Obinwanne Egeonu, Odion Emmanuel Igue, Bukola Abimbola Adesoji, Chiamaka Henrietta Jibuaku, Prince Ogbonnia Aja, Chiamaka Perpetua Chidozie, Hadiza Sani Ibrahim, Fatima Ele Aliyu, Aisha Ismaila Numan, Ogbonna Dennis Okoro, Solace Amechi Omoruyi, Ijeoma Chioma Oppah, Ubong Inyang Anyang, Aishat Ahmed, Shirley Nneka Chukwurah, Osita Samuel Umeononihu, Rebecca Chinyelu Chukwuanukwu, Eric Okechukwu Umeh, Ekene Agatha Emeka, Chukwuanugo Nkemakonam Ogbuagu, Ibrahim Adamu Yakasai, Oliver Chukwujekwu Ezechi, Joseph Ifeanyichukwu Ikechebelu, Triplex infection in pregnancy collaboration group