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Effects of SM-DOO on myocardial oxygen consumption. At weeks 2, 6 and 8 the (A) pH, (B) PO2 and (C) PCO2 levels in the blood were measured. All values are presented as the mean ± standard deviation. #P<0.05 and ##P<0.01 vs. Sham group; *P<0.05 and **P<0.01 vs. Model group. SM, Radix Salvia miltiorrhiza; DOO, Lignum Dalbergia odorifera volatile oil.
