TY  - JOUR
PY  - 1969//
TI  - Quartiles of proportional mortality. New indications of health with relation to the socio-economic conditions
JO  - Revista ecuatoriana de higiene y medicina tropical
A1  - Enderica Vélez, R.
SP  - 199
EP  - 217
VL  - 26
IS  - 3
N2  - <p>[Abstract unavailable]</p> <p>Language: es</p>
LA  - es
SN  - 0013-0745
UR  - http://dx.doi.org/
ID  - ref1
ER  -