retrograde/anterograde labeling??

[kkollins at pop3.concentric.net]

kkollins at pop3.concentric.net wrote:

> [...] I'll get the ref and then comment further... to guard against the possibility
> that
> I've been talking "apples" when you asked, "What about 'oranges'" :-)

the Library that I plan to use is closed for the Thanksgiving Holliday. I'll look for
the article when it opens again. ken collins