Immunohistochemistry as a screening tool for NTRK gene fusions: results of a first Belgian ring trial. - De Winne K; Sorber L; Lambin S; Siozopoulou V; Beniuga G; Dedeurwaerdere F; D'Haene N; Habran L; Libbrecht L; Van Huysse J; Weynand B; Wouters K; et al. (Virchows Archiv : an international journal of pathology, 2021)