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Is, in infertile women undergoing a basic fertility work-up, tubal flushing with oil-based contrast medium during hysterosalpingography (HSG) cost-effective compared to tubal flushing by hysterosalpingo-foam sonography (HyFoSy)? A randomized controlled trial.

The main objective of this study is to determine whether tubal flushing with oil-based contrast during HSG results into more pregnancies leading to live births when compared to tubal flushing with ExEm-foam during HyFoSy, and whether this approach…

Optimal postoperative chest tube and pain management in patients surgically treated for primary spontaneous pneumothorax; a randomized controlled trial.

Our objective is to compare the efficacy of early chest tube removal combined with single-shot PVB versus standard treatment (chest tube for at least 3 days and thoracic epidural analgesia (TEA)) after surgery for PSP. Efficacy is defined as…

A better treatment for depression with personalized just-in-time behavioral activation

Our aim is to develop JITAIs focused on behavioral activation (BA) for depression in close collaboration with patients and therapists, and to examine their usability, feasibility, and preliminary effectiveness.