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A. Figure 2A (partial) from Vazques-Manrique et al., 2010 (Genomics) showing strategy for excision of integrated positive selection marker.
B. Figure 3C from Flavell et al., 2013 (Cell) showing strategy for excision using nested lox sites.
C. Figure 1B from Sohal et al., 2009 (Nature) showing events leading to stable excision using nested lox sites.
Figures reproduced with permission.
