>  
> We are writing a grant for a study which will involve long term tissue
> block storage.    Aside from the obvious, (sweltering heat that will melt
> the blocks),  any information or protocols about block storage and
> temperature's effect on the histology, DNA retrieval, and/or other lab
> procedures, would be helpful.
> 
> Kelly Wirtala
> Histology Technician
> Fred Hutchinson Cancer Research Center
>