Fig. 2From: Long-term storage does not impact the quality of cryopreserved human ovarian tissueImmunohistochemical staining for ER (a, b), PR (c, d), ki-67 (e, f) and bcl2 (g, h) in follicles and stroma of human cryopreserved ovarian tissue after long-term storage. () Negative staining; () Positive stainingBack to article page