title: New fragile sites in a 'D' group chromosome-13 in human lymphocytes.
mesh_terms: D043283:Chromosome Fragile Sites; D002873:Chromosome Fragility; D002901:Chromosomes, Human, 13-15; D006801:Humans; D007006:Hypogonadism / Q000235:genetics*; D008214:Lymphocytes; D008297:Male; D012175:Retinoblastoma / Q000235:genetics*