M0013763: Mental excercise and long life
- Date:
- October 1954
- Reference:
- WT/D/1/20/1/123/52
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0013763: Mental excercise and long life. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0013763: Mental excercise and long life. Wellcome Collection. Source: Wellcome Collection.