TY - GEN AU - Probert,Chris TI - Commentary: vitamin D supplementation in Crohn's disease SN - 1365-2036 PY - 2020///0415 KW - Crohn Disease KW - Dietary Supplements KW - Humans KW - Risk Factors KW - Sunlight KW - Vitamin D KW - Vitamin D Deficiency N1 - Publication Type: Journal Article; Comment UR - https://doi.org/10.1111/apt.15524 ER -