BRD2 and breast cancer: As evident from Figure 5, the top 25 frequently cited emergent terms within the realm of stem cell research on POF reveal an initial concentration on ultrastructural (electron microscopy) examination of germ cells in Nobox gene-deficient mice, primordial germ cells, oocytes, and the exploration of POF occurrence, progression, and associated factors (anti-Miller hormone, immunohistology, childhood cancer, breast cancer, FSH).