1. Coagulase and hemolysin tests as measures of the pathogenicity of staphylococci;CHAPMAN G. H.;Jour. Bact.,1934
2. Crystal violet agar as a differential medium for staphylococci;CHAPMAN G. H.;Jour. Bact.,1935
3. Specificity of the dye in the crystal violet agar reaction of staphylococci;CHAPMAN G. H.;Jour. Bact.,1936