Reflections on the duration of preganancy : with remarks on the calculation of the date of confinement / by J. Matthews Duncan.
- Duncan, J. Matthews (James Matthews), 1826-1890.
- Date:
- 1854
Licence: Public Domain Mark
Credit: Reflections on the duration of preganancy : with remarks on the calculation of the date of confinement / by J. Matthews Duncan. Source: Wellcome Collection.
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