TY  - RPRT
TI  - Technology-free obstetrics.
AU  - N D Briggs
AU  - R S Oruamabo
PY  - 1991
DO  - 10.1016/0140-6736(91)91338-u
UR  - https://pubmed.ncbi.nlm.nih.gov/1671913/
ID  - 1671913
ER  -