title: REPEATED OCCURRENCES IN THE MOUSE OF LETHAL ALLELES OF THE SAME COMPLEMENTATION GROUP.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D002875:Chromosomes; D005804:Genes, Lethal; D005823:Genetics; D051379:Mice; D012106:Research
keywords: CHROMOSOME ABNORMALITIES; CHROMOSOMES; EXPERIMENTAL LAB STUDY; GENETICS; MICE