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Khaled SM, Petcu C, Bader L, Amro I, Al-Hamadi AMHA, Al Assi M, Ali AAM, Le Trung K, Diop A, Bellaj T, Al-Thani MH, Woodruff PW, Alabdulla M, Haddad PM.Khaled SM, et al.Vaccines (Basel). 2021 May 7;9(5):471. doi: 10.3390/vaccines9050471.Vaccines (Basel). 2021.PMID: 34067103Free PMC article.