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. 2012 Aug 20;109(37):E2451–E2456. doi: 10.1073/pnas.1205431109

Fig. 1.

Fig. 1.

Soybean stem length vs. time. (A) Stem length vs. time for control (○) and nano-CeO2 treatments: low (■), medium (▲) and high (◆). (B) Stem length vs. time for control (○) and nano-ZnO treatments: low (■), medium (▲) and high (◆). Error bars represent SEM [n = 4 for all groups except low nano-ZnO (n = 3)].