H. Kangari, A. Abedini-Talemi, A. Akbarzadeh-Bagheban, and S. Rahmani, “Comparison of Two Marketed Hydroxypropyl Methylcellulose Based Artificial Tear Drops in Young Patients with Dry Eye Syndrome”, Novel Biomed, vol. 3, no. 4, pp. 193–199, Oct. 2015.