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Collagen deposition in mice exposed to MWCNT for 7 days. Alteration in level of percent collagen deposition after 7 days of MWCNT exposure. Data expressed as mean ± SEM collagen deposition. Asterisks indicate significance at *p<0.05, compared to the DM controls. n = 5 for DM control and n = 6 for MWCNT treatment.
