Question-Answering System Extracts Information on Injection Drug Use from Clinical Progress Notes. - Maria Mahbub; Ian Goethert; Ioana Danciu; Kathryn Knight; Sudarshan Srinivasan; Suzanne Tamang; Karine Rozenberg-Ben-Dror; Hugo Solares; Susana B. Martins; Edmon Begoli; Gregory D. Peterson (CoRR, 2023)