The relative effects of paternal and maternal age in mongolism

[1] THURSTONE LL, 1931, ORDER BIRTH PARENT A, P73

[2] VANDERSCHEER WM, 1927, ABHAND NEUR PSYCHIAT

[3] Effects of age of parents on characteristics of the guinea pig [J]. AMERICAN NATURALIST, 1926, 60 : 552 - 559

[4] 1932, J GENETICS, V25, P407

[1] THURSTONE LL, 1931, ORDER BIRTH PARENT A, P73

[2] VANDERSCHEER WM, 1927, ABHAND NEUR PSYCHIAT

[3] Effects of age of parents on characteristics of the guinea pig [J]. AMERICAN NATURALIST, 1926, 60 : 552 - 559

[4] 1932, J GENETICS, V25, P407