Identification of endoglin as a functional marker that defines long-term repopulating hematopoietic stem cells. Chen CZ, Li M, de Graaf D, et al. Identification of endoglin as a functional marker that defines long-term repopulating hematopoietic stem cells. Proc Natl Acad Sci U S A. 2002;99(24):15468-73. doi:10.1073/pnas.202614899 Read more