Che Arif, Fatin Amalina, Mohd Radzi Hilmi, Khairidzan Mohd Kamal, and Mohd Hafidz Ithnin. 2020. “Comparison of Immediate Effects Oon Usage of Dual Polymer Artificial Tears on Changes in Tear Film Characteristics”. IIUM Medical Journal Malaysia 18 (3). https://doi.org/10.31436/imjm.v18i2.613.