Timme P. Schaap

Vitamin D: Evidence-Based Health Benefits and Recommendations for Population Guidelines

Maternal mortality in the United States: are the high and rising rates due to changes in obstetrical factors, maternal medical conditions, or maternal mortality surveillance?

Risk factors, management, and outcomes of amniotic fluid embolism: A multicountry, population-based cohort and nested case-control study

A national surveillance approach to monitor incidence of eclampsia: The Netherlands Obstetric Surveillance System