BMP4 initiates human embryonic stem cell differentiation to trophoblastRen‐He Xu, Xin Chen, Dong S. Li et al.|Nature Biotechnology|2002Cited by 1.1k
Basic FGF and suppression of BMP signaling sustain undifferentiated proliferation of human ES cellsRen‐He Xu, Ruthann M. Peck, Dong S. Li et al.|Nature Methods|2005Cited by 977