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Melarkode, K., Prinzhausen, H. Hemoglobin m variant and congenital methemoglobinemia: methylene blue will not be effective in the presence of hemoglobin M. Can J Anesth 55, 129–130 (2008). https://doi.org/10.1007/BF03016328
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DOI: https://doi.org/10.1007/BF03016328