TY  - RPRT
TI  - Maternal death studies, do they have practical value?
AU  - H W LONGYEAR
AU  - H A OTT
AU  - P SUTTON
PY  - 1954
DO  - 10.1016/s0002-9378(16)38497-6
UR  - https://pubmed.ncbi.nlm.nih.gov/13158442/
ID  - 13158442
ER  -