An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2024 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”

16077 entries, 14165 authors and 1948 subjects. Updated: March 4, 2025

Permanent Link for Entry #6325

  • 4962.1

A clinical and genetic study of 1,280 cases of mental defect.

Spec. Rep. Ser. Med. Res. Coun. (Lond), No. 229, 1938.

In this exhaustive study Penrose showed (p. 36) the significance of maternal age in the etiology of Down syndrome.



Subjects: GENETICS / HEREDITY › HEREDITARY / CONGENITAL DISEASES OR DISORDERS › Down Syndrome, OBSTETRICS & GYNECOLOGY › OBSTETRICS
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