TY  - JOUR
A1  - Morris, N.M.
A1  - Udry, J.R.
A1  - Chase, C.L.
T1  - Shifting age-parity distribution of births and the decrease in infant mortality
Y1  - 1975
DO  - 10.2105/AJPH.65.4.359
VL  - 65
IS  - 4

ER  -