Chappell, L. C., Brocklehurst, P., Green, M. E., Hunter, R., Hardy, P., Juszczak, E., Linsell, L., Chiocchia, V., Greenland, M., Placzek, A., Townend, J., Marlow, N., Sandall, J., Shennan, A., Agarwal, U., Ahmed, I., Ajay, B., Alfirevic, Z., Arya, R., Bambridge, G., …Wu, P. (2019). Planned early delivery or expectant management for late preterm pre-eclampsia (PHOENIX): a randomised controlled trial. Lancet, 394(10204), 1181-1190. https://doi.org/10.1016/s0140-6736%2819%2931963-4