1898 – 1972
2 entries in the GMN corpus.
1 entry with mapped publication places. Click clusters to zoom in; dense clusters offer table or cards view when fully expanded.
1938
#4962.1
In this exhaustive study Penrose showed (p. 36) the significance of maternal age in the etiology of Down syndrome.
1949
#4962.2
Garrison-Morton-Norman
2 entries · Printed September 1, 2026
1938 PENROSE, Lionel Sharples (1898 – 1972)
A clinical and genetic study of 1,280 cases of mental defect.
GMN 4962.1 · https://historyofmedicine.com/id/6325
1949 PENROSE, Lionel Sharples (1898 – 1972)
The biology of mental defect.
GMN 4962.2 · https://historyofmedicine.com/id/6328
