1. Further observations on penicillin;Abraham, E.P.; Chain, E.; Fletcher, C.M.; Gardner, A.D.; Heatley, N.G.; Jennings, M.A.; Florey, Hi W.;Lancet,1941
2. Quoted by Cope;Bollinger, 0,1877
3. Actinomycosis;Cope, Z.,1938
4. Actinomycosis; report of a case in a child with recovery following thymol therapy;Clemens, H.H.;J. Pediat,1940
5. Analysis of forty-six cases of actinomycosis with reference to its etiology;Davis, M.I.J.;Amer. J. Surg,1941