Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 55-62

Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 75-78

Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 205-210

Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 251-257

Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 259-264

Published in Memorias Do Instituto Butantan, in 1978, in volume 40-41, pages 305-311