Balakrishnan, K. G., M. R. Abdul Manaf, M. R. Hassan, K. I. Musa, and A. R. Mohamad Jamil. “Infective Versus Non-Infective Respiratory Illness Admissions: Comparative Cost Analysis in a Tertiary Hospital in Malaysia”. Asia Pacific Journal of Health Management, Mar. 2024, doi:10.24083/apjhm.v19i1.3069.