Assertion: barium sulfate's effect | /r/AtLocation | rare cases of high level
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Source sentences:
text: Systemic effects (gastrointestinal, cardiovascular, muscular effects; hypokalemia) have been observed following relatively high-level oral exposure to soluble barium compounds such as barium acetate, barium chloride, barium hydroxide, and barium sulfide; similar effects occurred in rare cases of high level inhalation exposure.