Prevalence and risk factors of drug resistant pulmonary tuberculosis in Hospital Tengku Ampuan Afzan and Hospital Selayang - Housseine, Natasha; How, Soon Hin; Tengku Ismail, Tengku Saifudin; Kuan, Yeh Chunn; Abdul Rani, Mohammed Fauzi; Ab Rahman, Jamalludin; Mohd Zim, Mohd Arif; Liew, Sarah Ileen (2013)