Discontinuation of HIV oral pre-exposure prophylaxis: findings from programmatic surveillance within two general population HIV programs in Nigeria oleh Helen Anyasi, Augustine Idemudia, Titilope Badru, Stanley Onyegbule, Etiemana Isang, Olusola Sanwo, Satish Raj Pandey, Robert Chiegil, Moses Bateganya, Katie Schwartz, Njambi Njuguna, Navindra Persaud, Marya Plotkin, Isa Iyortim, Hadiza Khamofu