Methylene Blue, methylthionine chloride or 3,7-bis(dimethylamino)phenothiazin-5-ium chloride is a chemical compound used as a dye and medication for Gram's stain, Wright stain[?], and the treatment of metoxyhemoglobinemia.
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times, one of the copies being preserved at
Darmstadt in five volumes. In its teachings he was
widely read, and his works abound in Biblical
quotations, ...