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Treating chancroid: summary of studies in southern Africa.
Ballard RC, Duncan MO, Fehler HG, Dangor Y, Exposto FL, Latif AS. Ballard RC, et al. Among authors: fehler hg. Genitourin Med. 1989 Jan;65(1):54-7. doi: 10.1136/sti.65.1.54. Genitourin Med. 1989. PMID: 2629710 Free PMC article.
Trachoma in South Africa.
Ballard RC, Fehler HG, Fotheringham P, Sutter EE, Treharne JD. Ballard RC, et al. Among authors: fehler hg. Soc Sci Med. 1983;17(22):1755-65. doi: 10.1016/0277-9536(83)90388-x. Soc Sci Med. 1983. PMID: 6648595
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