Babinet C, Kemler R, Dubois P, Jacob F
C R Acad Hebd Seances Acad Sci D. 1977 May 16;284(19):1919-22.
Fab fragments of a Rabbit anti-F 9 serum do not disturb cleavage of Mouse embryos in culture but prevent blastocyst formation. This effect is reversible for a few hours. It is observed neither with Fab fragments directed against another surface antigen of blastomers nor with monovalent concanavalin A.