U.S. Department of Health & Human Services
The frequency of contracted pelves in the first thousand women delivered in the obstetrical department of the Johns Hopkins Hospital
Williams, J. Whitridge (John Whitridge), 1866-1931
Baltimore Obstetrical and Gynecological Society.
[New York? : s.n., 1899?]
The National Library of Medicine believes this item to be in the public domain
13,  p.
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