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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…

The safety and cost-effectiveness of discontinuing disease-modifying therapies in stable relapsing-onset multiple sclerosis (DOT-MS): a randomized rater-blinded multicenter trial.

The aim of this study is to identify whether it is possible to safely discontinue treatment in stable RRMS patients who have shown no evidence of active inflammation in the years prior to inclusion in terms of the return of inflammatory disease…