THIS PRESENTATION WAS GIVEN ON JULY 17, 1998 AT THE AACR "CANCER CAMP" IN KEYSTONE RESORT, COLORADO. OTHER VERSIONS OF THIS INFORMATION CAN BE FOUND AT URL: http://ccm.ucdavis.edu/tgmouse/firststop.html AND http://ccm.ucdavis.edu/tgmouse/cmpath/abstract.htm  VISITORS MIGHT ALSO BE INTERESTED IN A CYBER-LECTURE ON HUMAN AND MOUSE MAMMARY BIOLOGY