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Occupationally acquired human immunodeficiency virus infections in laboratories producing virus concentrates in large quantities: conclusions and recommendations of an expert team convened by the Director of the National Institutes of Health (NIH). Reported by Division of Safety, National Institutes of Health
Classic pages in obstetrics and gynecology. Vorläufiger Bericht über das Vorkommen von Spirochaeten in syphilitischen Krankheitsprodukten und bei Papillomen. Fritz Richard Schaudinn and Erich Hoffmann. Arbeiten aus dem kaiserlichen Gesundheitsamtes (Berlin), vol. 22, pp. 527-534, 1905