Authors: Robert H Shaw; Arabella Stuart; Melanie Greenland; Xinxue Liu; Jonathan S Nguyen Van-Tam; Matthew D Snape Journal: Lancet Date: 2021-05-12 Impact factor: 79.321
Authors: Jamie Lopez Bernal; Nick Andrews; Charlotte Gower; Eileen Gallagher; Ruth Simmons; Simon Thelwall; Julia Stowe; Elise Tessier; Natalie Groves; Gavin Dabrera; Richard Myers; Colin N J Campbell; Gayatri Amirthalingam; Matt Edmunds; Maria Zambon; Kevin E Brown; Susan Hopkins; Meera Chand; Mary Ramsay Journal: N Engl J Med Date: 2021-07-21 Impact factor: 91.245