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From Self-sufficiency
- ...[[Potassium|K<sup>+</sup>]], [[Magnesium|Mg<sup>2+</sup>]], and [[Calcium|Ca<sup>2+</sup>]]), and [[organic chemistry|organic compounds]] (mostly [[carb [[an:Sistema circulatorio]]22 KB (3,037 words) - 21:25, 21 September 2010