Sorry for the cross posting but some of you might find this interesting.

An iconic language for the graphical representation of medical concepts
Jean-Baptiste Lamy, Catherine Duclos, Avner Bar-Hen, Patrick Ouvrard and
Alain Venot.  BMC Medical Informatics and Decision Making 2008, 8:16
http://dx.doi.org/10.1186/1472-6947-8-16 

I am not sure if I like the icons they are using but at least they are
creating and testing some items.

Julie

Julie Esparza
Clinical Medical Librarian
Department of Medical Library Science
LSU Health Sciences Center
jespar at lsuhsc.edu

LSUHSC-S Medical Library Evidence Alert
http://lsuhsc-sevidencealert.blogspot.com