Clinical characteristics of children and young people admitted to hospital with covid-19 in United Kingdom: prospective multicentre observational cohort study 著者: Swann, OV, Holden, KA, Turtle, L, Pollock, L, Fairfield, CJ, Drake, TM, Seth, S, Egan, C, Hardwick, HE, Halpin, S, Girvan, M, Donohue, C, Pritchard, M, Patel, LB, Ladhani, S, Sigfrid, L, Sinha, IP, Olliaro, PL, Nguyen-Van-Tam, JS, Horby, PW, Merson, L, Carson, G, Dunning, J, Openshaw, PJM, Baillie, JK, Harrison, EM, Docherty, AB, Semple, MG