Passey-Muir valve

=?ISO-8859-1?Q?Jose_M=AA_Quiroga_Ruiz?= (quiroga(AT)airastur.es)
Sat, 14 Jun 1997 21:40:35 +0200

Hello. again:

I have a question for people using Passey-Muir valve. I suppose that this
valve allows phonation during the expiratory phase but I wonder if itīs
also possible to get phonation during inspiration.

Thank you to all the group

Dr. Quiroga Ruiz
Asturias
Spain