TY  - RPRT
TI  - Selective interventions to reduce perinatal mortality.
AU  - S J Senn
PY  - 1979
DO  - 10.1016/s0140-6736(79)92470-x
UR  - https://pubmed.ncbi.nlm.nih.gov/91810/
ID  - 91810
ER  -