Some problems of sampling for chromosomal aberrations from synchronous populations.
D000818:Animals; D002452:Cell Count; D002455:Cell Division; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D006224:Cricetinae; D003584:Cytological Techniques; D008433:Mathematics; D008938:Mitosis; D008940:Mitotic Index; D008954:Models, Biological; D011830:Radiation Effects; D013997:Time Factors