We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBMP4 initiates human embryonic stem cell differentiation to trophoblast.AuthorsXu RH; Chen X; Li DS; Li R; Addicks GC; Glennon C; Zwaka TP; Thomson JAPublicationNature biotechnology, 2002, Vol 20, Issue 12, p1261ISSN1087-0156Publication typearticleDOI10.1038/nbt761