Uwe Koppe (10006967) ; Ulrich Marcus (706773) ; Stefan Albrecht (6454151)... https://figshare.com/articles/journal_contribution/Additional_file_1_of_Barriers_to_using_HIV_pre-exposure_prophylaxis_PrEP_and_sexual_behaviour_after_stopping_PrEP_a_cross-sectional_study_in_Germany/13612145.
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2021