Holtan SG, El Jurdi N, Rashidi A, Betts BC, Demorest C, Galvin JP, MacMillan ML, Weisdorf DJ, Panoskaltsis-Mortari A, Pratta MA. Amphiregulin as a biomarker for monitoring lifethreatening acute graft-<i>versus</i&gt;-host disease: secondary analysis of two prospective clinical trials. Haematologica 2024;109(5):1557-1561; https://doi.org/10.3324/haematol.2023.283215.