Published in Memórias do Instituto Butantan, in 1950, in volume 22, pages 1-10

Published in Memorias Do Instituto Butantan, in 1950, in volume 22, pages 151-171

Published in Memórias do Instituto Butantan, in 1950, in volume 22, pages 173-186

Published in Memorias Do Instituto Butantan, in 1950, in volume 22, pages 187-198