The OCEANS trial: Fluorescence guided surgery with methylene blue for better visualization of small intestine neuroendocrine tumours: a feasibility study. Issue 2 (February 2023) - Galema, Hidde; Ginhoven, Tessa van; Franssen, Gaston; Verhoef, Cornelis; Alexander, Vahrmeijer; Hutteman, Merlijn; Keereweer, Stijn; Hilling, Denise