Warren, K.E.; Hunt, M.C.; Hague, M.A.; Kropf, D.H.; Stroda, S.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
Outbreaks of food-borne illness have
emphasized the need for proper cooking of
ground beef patties. Because of difficulties in
measuring internal temperature of ground beef
patties, visual indicators usually are used ...