Feasibility and cost-effectiveness of treating multidrug-resistant tuberculosis: a cohort study in the Philippines. oleh Thelma E Tupasi, Rajesh Gupta, Ma Imelda D Quelapio, Ruth B Orillaza, Nona Rachel Mira, Nellie V Mangubat, Virgil Belen, Nida Arnisto, Lualhati Macalintal, Michael Arabit, Jaime Y Lagahid, Marcos Espinal, Katherine Floyd