Original sentence: <Kellaway, C.Tebbutt, Report of the Royal Commission of Inquiry into Fatalities at Bundaberg (Canberra: HJ Green, 1928)> This Commission, headed by the director of the Walter and Eliza Hall Institute, Charles Kellaway, found that the vaccine had become contaminated by Staphylococcus aureus, probably from Thomson’s imperfect sterilisation technique
Edited sentence: <ref>Kellaway, C.Tebbutt, Report of the Royal Commission of Inquiry into Fatalities at Bundaberg (Canberra: HJ Green, 1928) This Commission, headed by the director of the Walter and Eliza Hall Institute, Charles Kellaway, found that the vaccine had become contaminated by Staphylococcus aureus, probably from Thomson’s imperfect sterilisation technique