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Figure 4 (A) The vol/vol of atherosclerotic lesions in the left main coronary artery (LMCA) and right coronary artery (RCA). The particulate matter <10 µm (PM10)-exposed group had a higher vol/vol of atherosclerotic lesions in the LMCA and RCA, as compared with the control group. Data are presented as the mean value ± SE. *p < 0.05, compared with control group. (B) The correlation between the percentage of alveolar macrophages that phagocytosed particles and the vol/vol of atherosclerotic lesions in the LMCA and RCA (r = 0.53, p < 0.05). Results were from rabbits exposed to PM10 for four weeks (solid circles; n = 10) or saline (control; open circles; n = 6).
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