%0 Journal Article %T HIV incidence among sexual health clinic attendees in England: First estimates for black African heterosexuals using a biomarker, 2009-2013 %A Adamma Aghaizu %A Daniela De Angelis %A Gary Murphy %A Gwenda Hughes %A Helen Ward %A Jennifer Tosswill %A Valerie Delpech %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0197939 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6010246/