species    indole methyl red voges - proskauer   citrate
0   escherichia coli  positive   positive          negative  negative
1       shigella spp  negative   positive          negative  negative
2     salmonella spp  negative   positive          negative  positive
3     klebsiella spp  negative   negative          positive  positive
4   proteus vulgaris  positive   positive          negative  negative
5  proteus mirabilis  negative   positive          negative  positive

Table as JSON:
{"species":{"0":"escherichia coli","1":"shigella spp","2":"salmonella spp","3":"klebsiella spp","4":"proteus vulgaris","5":"proteus mirabilis"},"indole":{"0":"positive","1":"negative","2":"negative","3":"negative","4":"positive","5":"negative"},"methyl red":{"0":"positive","1":"positive","2":"positive","3":"negative","4":"positive","5":"positive"},"voges - proskauer":{"0":"negative","1":"negative","2":"negative","3":"positive","4":"negative","5":"negative"},"citrate":{"0":"negative","1":"negative","2":"positive","3":"positive","4":"negative","5":"positive"}}