Grigg, C. P., Tracy, S. K., Tracy, M., Daellenbach, R., Kensington, M., Monk, A., & Schmied, V. (2017). Evaluating Maternity Units: A prospective cohort study of freestanding midwife-led primary maternity units in New Zealand—clinical outcomes. BMJ Open.

Grigg, Celia P., Sally K. Tracy, Mark Tracy, Rea Daellenbach, Mary Kensington, Amy Monk, and Virginia Schmied. "Evaluating Maternity Units: A Prospective Cohort Study of Freestanding Midwife-led Primary Maternity Units in New Zealand—clinical Outcomes." BMJ Open 2017.

Grigg, Celia P., et al. "Evaluating Maternity Units: A Prospective Cohort Study of Freestanding Midwife-led Primary Maternity Units in New Zealand—clinical Outcomes." BMJ Open 2017.