Socio-protective effects of active case finding on catastrophic costs from tuberculosis in Ho Chi Minh City, Viet Nam: a longitudinal patient cost survey

LNQ Vo, RJ Forse, AJ Codlin, HM Dang, VV Truong, LH Nguyen, HB Nguyen, NV Nguyen, K Sidney-Annerstedt, K Lonnroth, SB Squire, M Caws, E Worrall, NT de Siqueira-Filha