The Maternal Mortality Study in Massachusetts for 1937

The Maternal Mortality Study in Massachusetts for 1937

Heffernan, Roy J.
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Volume:
219
Language:
english
Journal:
New England Journal of Medicine
DOI:
10.1056/nejm193812012192201
Date:
December, 1938
File:
PDF, 1.09 MB
english, 1938
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