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Louw Q, Grimmer K, Berner K, Conradie T, Bedada DT, Jesus TS.Louw Q, et al. Among authors: berner k.BMC Public Health. 2021 May 13;21(1):913. doi: 10.1186/s12889-021-10962-y.BMC Public Health. 2021.PMID: 33985469Free PMC article.
Charumbira MY, Berner K, Louw QA.Charumbira MY, et al. Among authors: berner k.Prim Health Care Res Dev. 2021 Sep 13;22:e41. doi: 10.1017/S1463423620000663.Prim Health Care Res Dev. 2021.PMID: 34515023Free PMC article.