“In two previous reports, it was shown that cocarboxylase and p-aminobenzoic acid counteract the inhibitory effect of sulfathiazole on yeast and bacterial carboxylases.”
“Whereas cocarboxylase brings about this effect without exercising any inhibitory action on carboxylase, p-aminobenzoic acid exercises the antagonistic action to sulfathiazole while maintaining a certain degree of inhibitory effect of its own on carboxylases.”