hello,
you can check on my web site at http://merel.vbcomm.net in the PCR
challengers tutorial.
There's (unfortunately) a french text concerning NASBA, and gray scale
pictures of the principle.
best regards
--
Patrick Merel
Laboratoire de Virologie
CHU PELLEGRIN
Place Amelie Raba-Leon
33076 Bordeaux cedex
FRANCE