Netto L P, Kotait I, Angeli A B, Sugay W, Suga O
Arq Inst Biol (Sao Paulo). 1978 Oct-Dec;45(4):205-8.
The authors took a survey of foot-and-mouth disease samples of myocardium and tonsil from swine which was died without clinicals signs of foot-and-mouth disease, with isolation of virus, type O, A and C. It was observed and accentuated relation between the incidence of hog cholera, pneumonia and atipic foot-and-mouth disease, especially from suckling pigs.