Occupational exposure to HIV among healthcare workers in PMTCT sites in Port Harcourt, Nigeria. - Akpuh, Ndubuisi; Ajayi, IkeOluwapo; Adebowale, Ayo; Idris Suleiman, Hadejia; Nguku, Patrick; Dalhat, Mahmood; Adedire, Elizabeth (BMC Public Health, 2020)