Fig. 5From: Therapeutic and prophylactic effects of oral administration of probiotic Enterococcus faecium Smr18 in Salmonella enterica-infected miceConcentration of nitrites and nitrates in the sera samples of BALB/c mice of different groups. Error bars are representative of mean ± SD. Letter a denotes significant (p < 0.05) difference as compared to the infected control G2.Back to article page