20210407130100.0 clockss CLOCKSS Archive 2021/2022 2024-03-25 33, 34 33, 34 In Progress Medknow Publications Kerala Journal of Ophthalmology 0976-6677 0976-6677 India portico Portico 2016/2022 2024-03-26 Preserved : 2016: 28, 2017: 29, 2018: 30, 2019: 31, 2020: 32, 2021: 33, 2022: 34 Preserved : 2016: 28(1-3), 2017: 29(1-3), 2018: 30(1-3), 2019: 31(1), 2020: 32(1-3), 2021: 33(1-2), 2022: 34(1) Preserved Medknow Publications and Media Kerala Journal of Ophthalmology 0976-6677 Kerala journal of ophthalmology (Online) 2667-3983 Kerala journal of ophthalmology. 2016/2020 2024-03-25 28 to 32 28 to 32 Preserved Medknow Publications Kerala Journal of Ophthalmology 0976-6677 https://www.kjophthal.com/ lockss LOCKSS Archive 2016/2021 2024-03-25 28 to 33 28 to 33 Preserved Medknow Publications Kerala Journal of Ophthalmology 0976-6677 2667-3983 2667-3983 2667-3983 Kerala journal of ophthalmology. Kerala journal of ophthalmology (Online)