1. Abberton, K. M., Taylor, N. H., Healy, D. L., and Rogers, P. A. W. 1999. Vascular smooth muscle cell proliferation in arterioles of the human endometrium. Hum. Reprod. 14:1072–1079.
2. Asahara, T., Masuda, H., Takahashi, T., Kalka, C., Pastore, C., Silver, M., Kearne, M., Magner, M., and Isner, J. M. 1999. Bone marrow origin of endothelial progenitor cells responsible for postnatal vasculogenesis in physiological and pathological neovascularization. Circ. Res. 85:221–228.
3. Au, C. L., and Rogers, P. A. W. 1993. Immunohistochemical staining of von Willebrand factor in human endometrium during normal menstrual cycle. Hum. Reprod. 8:17–23.
4. Auerbach, R., Alby, L., and Morrissey, L. W, Tu, M., Joseph, J. 1985. Expression of organ-specific antigens on capillary endothelial cells. Microvasc. Res. 29:401–411.
5. Ausprunk, D. H., Knighton, D. R., and Folkman, J. 1974. Differentiation of vascular endothelium in the chick chorioallantois: a structural and autoradiographic study. Dev. Biol. 38:237–248.