Fig. 2
From: Biokinetics of subacutely co-inhaled same size gold and silver nanoparticles
Tissue Ag concentration after 28-day inhalation exposure and post exposure period. aP < 0.05, compared with PEO-1 and PEO-7; bP < 0.05, compared with PEO-1 and PEO-28; cP < 0.05, compared with PEO-7 and PEO-28; ccP < 0.01, compared with PEO-7 and PEO-28; Where (t-test) *P < 0.05, and **P < 0.01