Erkamp, J. S., Voerman, E., Steegers, E. A. P., Mulders, A. G. M. G. J., Reiss, I. K. M., Duijts, L., . . . Gaillard, R. (2020). Second and third trimester fetal ultrasound population screening for risks of preterm birth and small-size and large-size for gestational age at birth: A population-based prospective cohort study: Fetal ultrasound screening for common adverse birth outcomes. BMC Med.

Erkamp, Jan S., Ellis Voerman, Eric A. P. Steegers, Annemarie G. M. G. J. Mulders, Irwin K. M. Reiss, Liesbeth Duijts, Vincent W. V. Jaddoe, và Romy Gaillard. "Second and Third Trimester Fetal Ultrasound Population Screening for Risks of Preterm Birth and Small-size and Large-size for Gestational Age At Birth: A Population-based Prospective Cohort Study: Fetal Ultrasound Screening for Common Adverse Birth Outcomes." BMC Med 2020.

Erkamp, Jan S., et al. "Second and Third Trimester Fetal Ultrasound Population Screening for Risks of Preterm Birth and Small-size and Large-size for Gestational Age At Birth: A Population-based Prospective Cohort Study: Fetal Ultrasound Screening for Common Adverse Birth Outcomes." BMC Med 2020.