Twins : a study of heredity and environment / by Horatio H. Newman, Frank N. Freeman, Karl J. Holzinger.
- Newman, Horatio Hackett, 1875-1957.
- Date:
- [1937]
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Twins : a study of heredity and environment / by Horatio H. Newman, Frank N. Freeman, Karl J. Holzinger. Source: Wellcome Collection.
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