The Biology of Mental Defect
By Dr. Lionel S. Penrose. Pp. xiv + 285 + 7 plates. (London: Sidgwick and Jackson, Ltd., 1949.) 21s. net.
Article PDF
Rights and permissions
About this article
Cite this article
ALLEN, C. Causation of Mental Deficiency. Nature 165, 661 (1950). https://doi.org/10.1038/165661a0
Issue Date:
DOI: https://doi.org/10.1038/165661a0