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[Monovalent fragments of rabbit anti-F9 immunoglobulins prevent mouse blastocyst formation]
Abstract:
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.