TY - RPRT TI - Revealing Spatial Heterogeneity across the Gut Tissue-Lumen Interface through MALDI Mass Spectrometry Imaging AU - Haffner, J. J. AU - Ahn, S. H. AU - Qiu, T. PY - 2025 DO - 10.1101/2025.06.01.657309 UR - https://www.biorxiv.org/content/10.1101/2025.06.01.657309v1 ID - 10.1101/2025.06.01.657309 ER -