TY  - RPRT
TI  - Social class differences in infant mortality.
AU  - D Vågerö
AU  - D Leon
PY  - 1993
DO  - 10.1136/bmj.306.6871.211-b
UR  - https://pubmed.ncbi.nlm.nih.gov/8443511/
ID  - 8443511
ER  -