TY  - RPRT
TI  - Lessons and problems of a maternal mortality study.
AU  - J McKELVEY
PY  - 1955
DO  - 10.1080/00325481.1955.11711887
UR  - https://pubmed.ncbi.nlm.nih.gov/14394953/
ID  - 14394953
ER  -