1.
Well being of obstetric patients on minimal blood transfusions (WOMB trial)
2.
Pessaries in multiple pregnancy as a prevention of preterm birth: the ProTwin trial
Prescribing ANtiDepressants Appropriately (PANDA): a cluster randomized controlled trial in primary care
PELICAN: a quality of life instrument for childhood asthma: Study Protocol of two Randomized Controlled Trials in Primary and Specialized Care in the Netherlands
SIMPLE: Implementation of recommendations from international evidence-based guidelines on caesarean sections in the Netherlands. Protocol for a controlled before and after study
Improving the implementation of tailored expectant management in subfertile couples: Protocol for a cluster randomized trial