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13 indexing sources
Archival Status
Wolters Kluwer Health
Portico
Preserved : 2017: 1(1-2), 2018: 2(1-4), 2019: 3(1-6), 2020: 4(1-6), 2021: 5(1-6), 2022: 6(1-6), 2023: 7(1-6), 2024: 8(1-6), 2025: 9(1-6), 2026: 10(1-2)
CLOCKSS Archive
4 to 10