@misc{indiciae63c818211ea8, title = {Fetal presentation during pregnancy.}, author = {T Sørensen and E Hasch and A P Lange}, year = {1979}, doi = {10.1016/s0140-6736(79)91536-8}, url = {https://pubmed.ncbi.nlm.nih.gov/89542/}, note = {Source identifier: 89542} }