by Ugwu, Gilbert I.M., Okperi, Blessing O., Ugwu, Eunice N., Okolugbo, Nekwu E.
Published in African journal of primary health care & family medicine (01.01.2012)

by Oyinpreye, Jasper Abiodun, Ofejiro, Okperi Blessing, Osemwegie, Osaguona Anthony
Published in Tropical doctor (01.04.2011)

by Okperi, Blessing Ofejiro, Ighosewe, Okiroro
Published in Sri Lanka journal of child health (05.12.2016)

by Sadoh, Wilson E, Okperi, Blessing, Ikhurionan, Paul, Monday, Promise, Sadoh, Ayebo E
Published in Pediatric emergency care (01.05.2020)

by Ugwu, Gilbert I.M, Okperi, Blessing O, Ugwu, Eunice N, Okolugbo, Nekwu E
Published in African journal of primary health care & family medicine (01.01.2012)

by Okolugbo, Nekwu E., Ugwu, Eunice N., Ugwu, Gilbert I.M., Okperi, Blessing O.
Published in African journal of primary health care & family medicine (01.01.2012)

by Gilbert I.M. Ugwu, Blessing O. Okperi, Eunice N. Ugwu, Nekwu E. Okolugbo
Published in African journal of primary health care & family medicine (01.06.2012)