Pre-exposure prophylaxis (PrEP) for HIV prevention among people who inject drugs: a global mapping of service delivery. - Shaw, Graham; Schaefer, Robin; Schmidt, Heather-Marie A; Madden, Annie; Chang, Judy; Mozalevskis, Antons; Msimanga-Radebe, Busisiwe; Mangadan Konath, Nabeel; Verster, Annette; Baggaley, Rachel; Rodolph, Michelle; Macdonald, Virginia (Harm Reduction Journal, 2023)