“…It is interesting to note that both aureomycin and chloramphenicol have been shown to be extremely effective in tropical ulcer (Ampofo and Findlay, 1950a, b). Terramycin, prepared from Streptomyces rimosus, has been shown to have spirochaetocidal effects in early syphilis Hendricks and others, 1950;Schoch and Alexander, 1950 ;Willcox, 1951;and Robinson and Robinson, 1951). It has also been used successfully in the treatment of yaws (Loughlin and Joseph, 1951).…”