@misc{indiciaeca4da59a9c94, title = {Technology-free obstetrics.}, author = {N D Briggs and R S Oruamabo}, year = {1991}, doi = {10.1016/0140-6736(91)91338-u}, url = {https://pubmed.ncbi.nlm.nih.gov/1671913/}, note = {Source identifier: 1671913} }