Khajotia Rumi, Poovaneswaran Sangeetha, Pavadai Thamilselvam, Sabaratnam Subathra, Khairan Hanizah
International Medical University Clinical School, Department of Internal Medicine and Pulmonology, Jalan Rasah, Seremban, Negeri Sembilan 70300, Malaysia.
Can Fam Physician. 2014 Feb;60(2):142-6.