Access
To read this article in full you may need to log in, make a payment or gain access through a site license (see right).
Classic Protocol
Nature Methods 2, 996 (1 December 2005) | doi:10.1038/nmeth1205-996
A look back: getting the message
To read this article in full you may need to log in, make a payment or gain access through a site license (see right).
