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ADDITIONAL WESTGARD MODIFICATIONS — The text describes additional modified Westgard rules beyond the basic five. What does the RULE 7T require?
A. 7T: reject when 7 control measurements exceed ±2SD
B. 7T: REJECT THE RUN WHEN SEVEN CONTROL MEASUREMENTS TREND IN THE SAME DIRECTION, i.e., get progressively higher OR progressively lower
C. 7T: reject when 7 consecutive controls fall below −1SD
D. 7T: reject when the range of 7 consecutive values exceeds 7SD
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