Chhoa, C. Y., Sawyer, A., Ayers, S., Pushpa-Rajah, A., & Duley, L. (2017). Clinicans' views and experiences of two alternative consent pathways for participation in a preterm intrapartum trial: a qualitative study. Trials, 18(196), https://doi.org/10.1186/s13063-017-1940-5