%0 Journal Article %T A cytoplasmic clock with the same period as the division cycle in Xenopus eggs. %A Hara, K %A Tydeman, P %A Kirschner, M %A , %J Proceedings of the National Academy of Sciences %@ 0027-8424 %D 1980-01-01 %I Proceedings of the National Academy of Sciences %~ DeepDyve