That is true :-).
Judy Dilworth, M.T. (ASCP)
>> JEDilworth wrote:
> The difference between plugs and caps.
> When taking out a plug, there is a good chance of contamination: the end of the
> tube is not sterile.
> With a cap that fits over the tube there is no such problem. Unless you touch the
> rim of the tube with your fingers.