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
6  enterobacter aerogenes  negative   negative          positive  positive

Table as JSON:
{"species":{"0":"escherichia coli","1":"shigella spp","2":"salmonella spp","3":"klebsiella spp","4":"proteus vulgaris","5":"proteus mirabilis","6":"enterobacter aerogenes"},"indole":{"0":"positive","1":"negative","2":"negative","3":"negative","4":"positive","5":"negative","6":"negative"},"methyl red":{"0":"positive","1":"positive","2":"positive","3":"negative","4":"positive","5":"positive","6":"negative"},"voges - proskauer":{"0":"negative","1":"negative","2":"negative","3":"positive","4":"negative","5":"negative","6":"positive"},"citrate":{"0":"negative","1":"negative","2":"positive","3":"positive","4":"negative","5":"positive","6":"positive"}}