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FIG 7. EDX of colloid cysts. A, Analysis of the contents of the entire colloid cyst shown in figs 1–3 shows a large peak (S) corresponding to sulphur, and smaller peaks corresponding to sodium (N) and aluminum (A).
B, Analysis of the contents of a different colloid cyst shows large peak (S) of sulphur and also sodium (N). No paramagnetic substances are present in either cyst.
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