1. Expression of the αv integrin adhesion molecule during development of preimplantation human embryos 
Anil K Dubey, Ph.D., Jose R Cruz, M.D., Beth Hartog, M.D., Paul R Gindoff, M.D. 
Fertility and Sterility 
Volume 76, Issue 1, Pages (July 2001)
DOI: /S (01)

2. Figure 1
αv Integrin expression in developing human embryos. (A), Two cells. (B), Four cells. (C), Eight cells. (D), Sixteen cells. (E), Morula. (F), Blastocyst.
Dubey. The αv integrin expression in human embryos. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )

3. Figure 2
Qualitative (pixels/μm2) αv integrin expression in the developing human embryo. P<.05 morula vs. 2 to 6 cells, and 8 to 16 cells; P<.05 blastocyst vs. 2 to 6 cells, and 8 to 16 cells.
Dubey. The αv integrin expression in human embryos. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )