Painless childbirth in twilight sleep : a complete history of twilight sleep from its beginning in 1903 to its present development in 1915, including its successful use in Great Britain to-day / by Hanna Rion.
- Ver Beck, Hanna (Rion), 1875-
- Date:
- [1915]
Licence: Public Domain Mark
Credit: Painless childbirth in twilight sleep : a complete history of twilight sleep from its beginning in 1903 to its present development in 1915, including its successful use in Great Britain to-day / by Hanna Rion. Source: Wellcome Collection.
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