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Iwu CJ, Ngcobo N, Jaca A, Wiyeh A, Pienaar E, Chikte U, Wiysonge CS.Iwu CJ, et al.Expert Rev Vaccines. 2020 Jul;19(7):639-651. doi: 10.1080/14760584.2020.1791088. Epub 2020 Aug 10.Expert Rev Vaccines. 2020.PMID: 32605395
Jaca A, Iwu-Jaja CJ, Balakrishna Y, Pienaar E, Wiysonge CS.Jaca A, et al.Hum Vaccin Immunother. 2021 Sep 2;17(9):3016-3022. doi: 10.1080/21645515.2021.1903294. Epub 2021 May 3.Hum Vaccin Immunother. 2021.PMID: 33939571Free PMC article.
Jaca A, Mathebula L, Iweze A, Pienaar E, Wiysonge CS.Jaca A, et al.Vaccine. 2018 May 17;36(21):2921-2927. doi: 10.1016/j.vaccine.2018.04.028. Epub 2018 Apr 19.Vaccine. 2018.PMID: 29680199Free article.Review.
Ndwandwe DE, Runeyi S, Pienaar E, Mathebula L, Hohlfeld A, Wiysonge CS.Ndwandwe DE, et al.BMJ Open. 2022 Jan 25;12(1):e057474. doi: 10.1136/bmjopen-2021-057474.BMJ Open. 2022.PMID: 35078852Free PMC article.