O. N. Onya

Prevalence and Socio-Demographic Determinants of Depression in Women: A Comparison between Pre-Menopausal and Post-Menopausal Attendees of the General Outpatient Department in Fmc Lokoja

O. N. Onya, C. Otorkpa, 2018 .

Prevalence, Presentation and Co-Morbidity Pattern Associated with Depression among Geriatric Patients Attending the GOPD of UPTH

O. N. Onya, P. Stanley, 2013 .

Patient–Doctor relationship in underserved environment: A cross-sectional study of attitudinal orientation, practice inclination, barriers and benefits among medical practitioners in Abia State, Nigeria

G. Iloh, M. Chukwuonye, E. Godswill-Uko, 2019, The Nigerian postgraduate medical journal.