TY - GEN AU - Silberzahn,Bradley E AU - Morris,Miles B AU - Riegger,Katelyn E AU - White,Rebecca Hamilton AU - Tomko,Catherine A AU - Park,Ju Nyeong AU - Footer,Katherine H A AU - Huettner,Steven S AU - Sherman,Susan G TI - Barriers and facilitators to retaining a cohort of street-based cisgender female sex workers recruited in Baltimore, Maryland, USA: results from the SAPPHIRE study SN - 1471-2458 PY - 2020///1001 KW - Adult KW - Baltimore KW - epidemiology KW - Cohort Studies KW - Female KW - HIV Infections KW - Health Services Accessibility KW - Humans KW - Patient Selection KW - Sex Workers KW - statistics & numerical data KW - Sexually Transmitted Diseases N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/s12889-020-08723-4 ER -