R J Gross, E J Threlfall, L R Ward, B Rowe
Gross R J, Threlfall E J, Ward L R, Rowe B.
Drug resistance in Shigella dysenteriae, S flexneri and S boydii in England and Wales: increasing incidence of resistance to trimethoprim.
Br Med J (Clin Res Ed) 1984; 288 :784
doi:10.1136/bmj.288.6419.784