. 2016 Sep 30;7:1486. doi: 10.3389/fpls.2016.01486
Copyright © 2016 Häkkinen, Moyano, Cusidó and Oksman-Caldentey.
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FIGURE 5.
Hairy roots cryopreserved with vitrification. (A) 2 days, (B) 21 days after thawing.