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Histogram showing the number of isolated follicles (mean ± SD) in non-vitrified and vitrified ovarian strips after 7 days of IVC. There is no difference between the isolated follicles in non-vitrified and vitrified groups except for primary follicles (c p = 0.011). a p = 0.360, b p = 0.096, d p = 1.000 and e p = 0.206
