An analysis for paternal-age effect in Ohio's Down syndrome births, 1970-1980.

Down syndrome, paternal age, maternal age and birth order

1978 • 122 citations

Paternal age effect in Down's syndrome

1977 • 118 citations

Non‐disjunction in trisomy 21: study of chromosomal heteromorphisms in 110 families

1980 • 115 citations

Paternal age and Down's syndrome data from prenatal diagnoses (DFG)

1981 • 89 citations

Reexamination of paternal age effect in Down's syndrome

1978 • 70 citations

Down syndrome associated with father's age in Norway.

1981 • 57 citations

Paternal age and Down syndrome.

1979 • 39 citations

Down's syndrome: percentage reporting on birth certificates and single year maternal age risk rates for Ohio 1970-79: comparison with upstate New York data.

1981 • 37 citations

Paternal age and Down syndrome in British Columbia.

1981 • 34 citations

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

1980 • 26 citations

INFLUENCE OF DEMOGRAPHIC FACTORS ON ANNUAL DOWN'S SYNDROME BIRTHS IN OHIO, 1970–1979, AND THE UNITED STATES, 1920–19791

1982 • 26 citations

On data and methods in investigations on parental‐age effects Comments on a paper by J. D. Erickson

1978 • 22 citations

On the inadequacy of quinquennial data for analyzing the paternal age effect on Down's dyndrome rates

1980 • 18 citations

Origin of the additional chromosome in Down's syndrome: a study of 20 families.

1980 • 12 citations