Open AccessTHE TREND OF MATERNAL-MORTALITY RATES IN THE UNITED STATES DEATH-REGISTRATION AREA, 1900-1921
Author(s) -
Robert Morse Woodbury
Publication year - 1924
Publication title -
american journal of public health (1912)
Language(s) - English
Resource type - Journals
eISSN - 2330-9687
pISSN - 0271-4353
DOI - 10.2105/ajph.14.9.738
Subject(s) - morse code , demography , mortality rate , gerontology , medicine , geography , sociology , telecommunications , engineering