2Eeva Stene,Jon Stene,Sabine Stengel-Rutkowski. A reanalysis of the New York State prenatal diagnosis data on Down’s syndrome and paternal age effects[J] 1987,Human Genetics(4):299～302
3Philip K. Cross,Ernest B. Hook. An analysis of paternal age and 47,+21 in 35,000 new prenatal cytogenetic diagnosis data from the New York State Chromosome Registry: no significant effect[J] 1987,Human Genetics(4):307～313
4J. Jenderny,G. R?hrborn. Chromosome analysis of human sperm[J] 1987,Human Genetics(4):385～388
5J. Benet,A. Genescà,J. Navarro,J. Egozcue,C. templado. G-banding of human sperm chromosomes[J] 1986,Human Genetics(2):181～182
6W. Balkan,R. H. Martin. Chromosome segregation into the spermatozoa of two men heterozygous for different reciprocal translocations[J] 1983,Human Genetics(4):345～348
