> I do remember there was an academic paper from a > opthamalogist/neurologist who specialized in this (a woman I believe) > which was circulated on this forum about 5 years ago, but it has been > lost in the depths of my computer. I would like to get her name, if > possible. You should find it in the PIEN archives. it is very good and written by Dr Winterkorn Maryse cg John 75,15 ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn