DOI:
10.1055/s-00000012
Endoscopy
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References
Voysey M, Costa Clemens SA, Madhi SA. et al.
Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials.
Lancet 2021;
397: 881-891
DOI: 10.1016/S0140-6736(21)00432-3.
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