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Article Fatty Acids in Marine Macroalgae from Southern Yemen (Hadramout) Including Occurrence of Eicosatetraenoic (20 : 4) and Eicosapentaenoic (20 : 5) Acids was published on January 1, 1992 in the journal Botanica Marina (volume 35, issue 2).
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S. A. Banaimoon (1992) studied this question.
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