> Just because some think the whole 4.9 idea is snake oil does not
> mean that it is snake oil. The proof is still not in.
Take a look at:
http://www.algonet.se/~beeman/
(>Research>Varroa>Cellsize)
you can find there: "A study made by Mia Davidsson in 1992 at the
Swedish University of Agricultural Sciences as an examination
paper."
\vov