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Mean Compressive strengths of uncontaminated and blood contaminated materials in each time interval.
RMTA, Root MTA; RMTA-C, RMTA modified with CaCl2; RMTA-N, RMTA modified with Na2HPO4; NC, No contamination; BC, Blood contamination.
*1 & *2, statistically significant; +1 & +2, statistically not significant.
