Th increase in average lenght of life

[1] BILLING JS, 1880, REPORT MORTALITY V 2

[2] SOME TENDENCIES INDICATED BY THE NEW LIFE TABLES [J]. PUBLIC HEALTH REPORTS, 1924, 39 (15) : 737 - 749

[3] *BUR CENS DEP COMM, 1890, US STAT LIF TABL 189

[4] *BUR CENS DEP COMM, 1919, US ABR LIF TABL 1919

[5] *BUR CENS DEP COMM, 1930, US LIF TABL 1930

[6] MORTALITY FROM INFLUENZA AND PNEUMONIA IN 50 LARGE CITIES OF THE UNITED STATES, 1910-1929 [J]. PUBLIC HEALTH REPORTS, 1930, 45 (39) : 2277 - 2328

[7] INFLUENZA-PNEUMONIA MORTALITY IN A GROUP OF ABOUT 95 CITIES IN THE UNITED STATES, 1920-1929 [J]. PUBLIC HEALTH REPORTS, 1930, 45 (08) : 361 - 406

[8] DALTON M, 1934, HUM BIOL, V6, P87

[9] DUBLIN LI, 1936, LENGHT LIFE

[10] Dublin LI, 1934, HUM BIOL, V6, P43

[1] BILLING JS, 1880, REPORT MORTALITY V 2

[2] SOME TENDENCIES INDICATED BY THE NEW LIFE TABLES [J]. PUBLIC HEALTH REPORTS, 1924, 39 (15) : 737 - 749

[3] *BUR CENS DEP COMM, 1890, US STAT LIF TABL 189

[4] *BUR CENS DEP COMM, 1919, US ABR LIF TABL 1919

[5] *BUR CENS DEP COMM, 1930, US LIF TABL 1930

[6] MORTALITY FROM INFLUENZA AND PNEUMONIA IN 50 LARGE CITIES OF THE UNITED STATES, 1910-1929 [J]. PUBLIC HEALTH REPORTS, 1930, 45 (39) : 2277 - 2328

[7] INFLUENZA-PNEUMONIA MORTALITY IN A GROUP OF ABOUT 95 CITIES IN THE UNITED STATES, 1920-1929 [J]. PUBLIC HEALTH REPORTS, 1930, 45 (08) : 361 - 406

[8] DALTON M, 1934, HUM BIOL, V6, P87

[9] DUBLIN LI, 1936, LENGHT LIFE

[10] Dublin LI, 1934, HUM BIOL, V6, P43