Dear Anna,
I had some replies and most seem to agree that PE is not suitable for
the double labeling tests I am trying to perform. Thanks for your
tip.
It seems someone from Hampstead will be coming down here soon.

All the best
Renato

Dr. Renato Arruda Mortara
Division of Parasitology
Universidade Federal de Sao Paulo
ESCOLA PAULISTA DE MEDICINA
Rua Botucatu, 862 6o. andar
04023-062 Sao Paulo SP
Brasil
Email [log in to unmask]
Fax : 55 11 571-1095
Fone: 55 11 570-8306