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King C, Zamawe C, Banda M, Bar-Zeev N, Beard J, Bird J, Costello A, Kazembe P, Osrin D, Fottrell E; VacSurv Consortium.King C, et al. Among authors: zamawe c.BMC Med Res Methodol. 2016 Feb 1;16:13. doi: 10.1186/s12874-016-0115-5.BMC Med Res Methodol. 2016.PMID: 26830814Free PMC article.