Yeah.

He really developed the concept, and he showed the role of the flux and the reflux from the colon.

He w- he...

What he did was really beautiful, and he worked with Gerdans people and, and still the Leuven, um, uh, Severine Vermeulen, Bram Vercauteren, and Marc Ferrante.

These people are working on the model, and it's quite fascinating.

And in France, we did a study 15 years ago, 16 years ago.

We started the REMAIN cohort.

... will turn out of this, or are you unsure, and we, we will stick with clinical practice?