Factors in neonatal deaths

[1] Factors responsible for failure further to reduce infant mortality [J]. JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1937, 109 : 337 - 343

[2] CALDSTON, 1937, MATERNAL DEATHS, P32

[3] 1937, PRINCIPLES ANTEPARTI, P51

[1] Factors responsible for failure further to reduce infant mortality [J]. JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1937, 109 : 337 - 343

[2] CALDSTON, 1937, MATERNAL DEATHS, P32

[3] 1937, PRINCIPLES ANTEPARTI, P51