title: Measurement of developmental time by cells of early embryos.
authors.affiliation: Laboratory of Embryogenesis, National Institute for Medical Research, Mill Hill, London, England.
authors.forename: J
authors.initials: J
authors.lastname: Cooke
authors.forename: J C
authors.initials: JC
authors.lastname: Smith
mesh_terms: D000818:Animals; D002455:Cell Division; D004622:Embryo, Mammalian / Q000166:cytology* / Q000502:physiology; D004625:Embryo, Nonmammalian; D005314:Embryonic and Fetal Development; D009024:Morphogenesis