src: In showing that cancer was not an evil whose nature was a mystery, but a disease like any other, a large number of different experimental studies helped to transform concepts of contagiousness which had simply not been proved.
tgt: Ao demonstrar que o câncer não seria um mal de natureza misteriosa, mas sim uma doença como tantas outras, a multiplicidade dos diferentes estudos experimentais ajudou a transformar conceitos de contagiosidade pouco ou mal demonstrada.