Sandström, A., Snowden, J. M., Höijer, J., Bottai, M., & Wikström, A. (2019). Clinical risk assessment in early pregnancy for preeclampsia in nulliparous women: A population based cohort study. PLoS One.

Sandström, Anna, Jonathan M. Snowden, Jonas Höijer, Matteo Bottai, و Anna-Karin Wikström. "Clinical Risk Assessment in Early Pregnancy for Preeclampsia in Nulliparous Women: A Population Based Cohort Study." PLoS One 2019.

Sandström, Anna, et al. "Clinical Risk Assessment in Early Pregnancy for Preeclampsia in Nulliparous Women: A Population Based Cohort Study." PLoS One 2019.