TY  - RPRT
TI  - Maternal morbidity in developing countries: a review and comments.
AU  - L S Liskin
PY  - 1992
DO  - 10.1016/0020-7292(92)90486-3
UR  - https://pubmed.ncbi.nlm.nih.gov/1348706/
ID  - 1348706
ER  -