Rainer Schmidt Lothar Gierl Prognosis of Approaching Infectious Diseases. 31-35 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2780&spage=31 2003 conf/aime/2003 AIME db/conf/aime/aime2003.html#SchmidtG03