Stephan, R; Joutsen, S; Hofer, E; Säde, E; Björkroth, J; Ziegler, D; Fredriksson-Ahomaa, M (2013). Characteristics of Yersinia enterocolitica biotype 1A strains isolated from patients and asymptomatic carriers. European Journal of Clinical Microbiology & Infectious Diseases, 32(7):869-875.
Ritz, J; Hofer, K; Hofer, E; Hackländer, K; Immekus, D; Codron, Daryl; Clauss, Marcus (2013). Forestomach pH in hunted roe deer (Capreolus capreolus) in relation to forestomach region, time of measurement and supplemental feeding and comparison among wild ruminant species. European Journal of Wildlife Research, 59(4):505-517.
Hofer, E; Stephan, R; Reist, M; Zweifel, C (2012). Application of a real-time PCR-based system for monitoring of O26, O103, O111, O145, and O157 Shiga toxin-producing Escherichia coli in cattle at slaughter. Zoonoses and Public Health, 59(6):408-415.
Althaus, D; Hofer, E; Corti, S; Julmi, A; Stephan, R (2012). Bacteriological survey of ready-to-eat lettuce, fresh-cut fruits and sprouts collected from the Swiss market. Journal of Food Protection, 75(7):1338-1341.
Obwegeser, T; Stephan, R; Hofer, E; Zweifel, C (2012). Shedding of foodborne pathogens and microbial carcass contamination of hunted wild ruminants. Veterinary Microbiology, 159(1-2):149-154.
Hofer, E; Cernela, N; Stephan, R (2012). Shiga toxin subtypes associated with Shiga toxin-producing Escherichia coli strains isolated from red deer, roe deer, chamois and ibex. Foodborne Pathogens and Disease, 9(9):792-795.
Hofer, E; Haechler, H; Frei, R; Stephan, R (2010). Low occurrence of Clostridium difficile in fecal samples of healthy calves and pigs at slaughter and in minced meat in Switzerland. Journal of Food Protection, 73(5):973-975.
Bardow, A; Hofer, E; Nyvad, B; ten Cate, J M; Kirkeby, S; Moe, D; Nauntofte, B (2005). Effect of saliva composition on experimental root caries. Caries Research, 39(1):71-77.