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17 in total

1. The origin of the extra chromosome 21 in Down syndrome. Studies of fluorescent variants and satelite association in 26 informative families.

Authors: A Hansson; M Mikkelsen
Journal: Cytogenet Cell Genet Date: 1978

2. Estimated rates of Down syndrome in live births by one year maternal age intervals for mothers aged 20-49 in a New York State study-implications of the risk figures for genetic counseling and cost-benefit analysis of prenatal diagnosis programs.

Authors: E B Hook; G M Chambers
Journal: Birth Defects Orig Artic Ser Date: 1977

3. Reexamination of paternal age effect in Down's syndrome.

Authors: E Matsunaga; A Tonomura; H Oishi; Y Kikuchi
Journal: Hum Genet Date: 1978-02-16 Impact factor: 4.132

4. Down syndrome in live births by single year maternal age interval in a Swedish study: comparison with results from a New York State study.

Authors: E B Hook; A Lindsjö
Journal: Am J Hum Genet Date: 1978-01 Impact factor: 11.025

5. Paternal age in Down's syndrome.

Authors: N Mantel; C R Stark
Journal: Am J Ment Defic Date: 1967-05

6. A search for evidence for a paternal age effect independent of a maternal age effect in birth certificate reports of Down's syndrome in New York state.

Authors: R R Regal; P K Cross; S H Lamson; E B Hook
Journal: Am J Epidemiol Date: 1980-11 Impact factor: 4.897

7. Comparison of mathematical models for the maternal age dependence of Down's syndrome rates.

Authors: S H Lamson; E B Hook
Journal: Hum Genet Date: 1981 Impact factor: 4.132

8. Parental age and birth order in the aetiology of some sex chromosome aneuploidies.

Authors: A D Carothers; S Collyer; R De Mey; A Frackiewicz
Journal: Ann Hum Genet Date: 1978-01 Impact factor: 1.670

9. Paternal age and Down syndrome.

Authors: J D Erickson
Journal: Am J Hum Genet Date: 1979-07 Impact factor: 11.025

10. Paternal age effect in Down's syndrome.

Authors: J Stene; G Fischer; E Stene; M Mikkelsen; E Petersen
Journal: Ann Hum Genet Date: 1977-01 Impact factor: 1.670

14 in total

1. Controversy concerning paternal age effect in 47,+21 Down's syndrome.

Authors: E Stene; J Stene
Journal: Hum Genet Date: 1989-02 Impact factor: 4.132

2. Paternal age and trisomy among spontaneous abortions.

Authors: M Hatch; J Kline; B Levin; M Hutzler; D Warburton
Journal: Hum Genet Date: 1990-08 Impact factor: 4.132

3. 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.

Authors: P K Cross; E B Hook
Journal: Hum Genet Date: 1987-12 Impact factor: 4.132

Paternal age and Down's syndrome genotypes diagnosed prenatally: no association in New York state data.

1. The origin of the extra chromosome 21 in Down syndrome. Studies of fluorescent variants and satelite association in 26 informative families.

2. Estimated rates of Down syndrome in live births by one year maternal age intervals for mothers aged 20-49 in a New York State study-implications of the risk figures for genetic counseling and cost-benefit analysis of prenatal diagnosis programs.

3. Reexamination of paternal age effect in Down's syndrome.

4. Down syndrome in live births by single year maternal age interval in a Swedish study: comparison with results from a New York State study.

5. Paternal age in Down's syndrome.

6. A search for evidence for a paternal age effect independent of a maternal age effect in birth certificate reports of Down's syndrome in New York state.

7. Comparison of mathematical models for the maternal age dependence of Down's syndrome rates.

8. Parental age and birth order in the aetiology of some sex chromosome aneuploidies.

9. Paternal age and Down syndrome.

10. Paternal age effect in Down's syndrome.

1. Controversy concerning paternal age effect in 47,+21 Down's syndrome.

2. Paternal age and trisomy among spontaneous abortions.

3. 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.

4. Issues in analysis of data on paternal age and 47,+21: implications for genetic counseling for Down syndrome.

5. A reanalysis of the New York State prenatal diagnosis data on Down's syndrome and paternal age effects.

6. Controversy concerning paternal age effect in 47, + 21 Down's syndrome.

7. An aetiological study of 290 XXY males, with special reference to the role of paternal age.

8. Paternal age.

9. A search for a paternal-age effect upon cases of 47, +21 in which the extra chromosome is of paternal origin.

10. The effect of age on the frequency of sperm chromosomal abnormalities in normal men.