SHAW, GJ, EGLINTON, G, QUIRKE, JME. (1981). STRUCTURAL-ANALYSIS OF TETRAPYRROLES BY HYDROGEN CHEMICAL IONIZATION MASS-SPECTROMETRY
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ANALYTICAL CHEMISTRY, 53(13), 2014-2020. 10.1021/ac00236a016
SHAW, GJ, EGLINTON, G, QUIRKE, JME. (1981). STRUCTURAL-ANALYSIS OF TETRAPYRROLES BY HYDROGEN CHEMICAL IONIZATION MASS-SPECTROMETRY
. ANALYTICAL CHEMISTRY, 53(13), 2014-2020. 10.1021/ac00236a016