الفهرس 
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Abstract
MICE WERE INJECTED WITH LARGE DOSES OF VITAMIN A FOR 8,15AND DAYS.
THE TESTIS OF TREATED ANIMALS WAS COMPARED WITH THAT OF NORMAL ONES AND THE SEMINIFEROUS EPITHELIAL CYCLE WAS NOTICED.
IT WAS FOUND THAT ANIMALS KEPT FOR 22DAYS ON HYPERVITAMIN A TREATMENT SHOWED A SIGNIFICANT DAMAGE IN THE PROCESS OF SPERMATOGENESIS AND APPEARED DEVOID OF SPERMS.