TY  - RPRT
TI  - Letter: Perinatal mortality.
AU  - A E Attanasio
PY  - 1974
DO  - 10.1016/s0140-6736(74)92457-x
UR  - https://pubmed.ncbi.nlm.nih.gov/4129734/
ID  - 4129734
ER  -