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What type of chemical agent is given to control vascular spasm?
Negative Correlation
A connection between two variables where as one variable rises, the other falls.
Direct Correlation
A relationship between two variables where they move in the same direction.
Nondirectional Correlation
A type of correlation where the direction (positive or negative) of the relationship between variables is not specified.
Statistically Significant
A determination that an observed effect in a study is unlikely to have occurred due to chance alone.
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