Dietary L-Tryptophan consumption determines the number of colonic regulatory T-cells and susceptibility to colitis via GPR15 Conclusion: Dietary L-Tryptophan consumption determines the number of colo
(Part 4 out of 4) 23,000 cropped images of tree bark, for 23 species of trees around Quebec City, Canada. The images were captured at a distance between 20-60 cm away from the trunk. Labels include: i
