Rashidi Ahmad, Nik Hisamuddin Nik Abdul Rahman, Abu Yazid Mohd Noh, Nik Ariff Nik Abdul Rahman, Nasir Mohamad, Kamarul Aryffin Baharudin. A Study on the Magnitude and the Effectiveness of the Observation Ward of Hospital Universiti Sains Malaysia. Malays J Med Sci. 2010;17(1):38-43. doi:10.21315/