Steven, P Adverse environmental conditions are a risk factor for ocular GvHD after allogeneic hematopoietic stem cell transplantation. [electronic resource] - Bone marrow transplantation 09 2020 - 1851-1853 p. digital Publication Type: Letter ISSN: 1476-5365 Standard No.: 10.1038/s41409-020-0824-6 doi Subjects--Topical Terms: Graft vs Host Disease--etiologyHematopoietic Stem Cell Transplantation--adverse effectsHumansRisk Factors