Growth of Stressed Strains of Four Non-O157 Shiga Toxin-Producing Escherichia coli Serogroups in Five Enrichment Broths., Verhaegen, Bavo, De Reu Koen, Heyndrickx Marc, Van Damme Inge, and de Zutter Lieven , J Food Prot, 2015 Nov, Volume 78, Issue 11, (2015)