The principles and practice of obstetrics / by Joseph B. De Lee ... with 913 illustrations, 150 of them in colors.
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The principles and practice of obstetrics / by Joseph B. De Lee ... with 913 illustrations, 150 of them in colors. Credit: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.. Public Domain Mark