@misc{indiciae1ce3698ef15a, title = {Letter: N.B.T. test in pregnancy.}, author = {D L Solanki and B Cregan}, year = {1975}, doi = {10.1016/s0140-6736(75)92409-5}, url = {https://pubmed.ncbi.nlm.nih.gov/46366/}, note = {Source identifier: 46366} }