B. Ima-Abasi, E. S. Eyam, I. Edoise M, A. E. Nchiewi, E. D. Ushie, and D. Ayi, “Pattern of Prostate-specific antigen (PSA) in male participants 40 -70 years screened for prostate cancer during a medical outreach in a tertiary institution in Nigeria: A pilot study”, jhsn, vol. 2, no. 12, pp. 33-39, Dec. 2017.