> We would not be able, ethically, to withhold treatment from PWPs in order > to find out what the effects of "PD itself" would be, beyond what is > described in the historical literature. You don´t have to go back far, just pre 1960s when ldopa ahdn´t been ´invented ´. PWPs died fairly early on, mainly due to choking problems Maryse cg John 77,17 ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn