The impact of COVID-19 on pregnancy outcomes: a systematic review and meta-analysis
Wei, Shu Qin ; Bilodeau-Bertrand, Marianne ; Liu, Shiliang ; Auger, Nathalie
Canadian Medical Association journal (CMAJ), 2021-04, Vol.193 (16), p.E540-E548 [Periódico revisado por pares]Canada: CMA Joule Inc
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