In the early stages, it causes small scattered shallow crater-like areas (erosions) called apthous ulcers in the inner surface of the bowel.
(it; causes; small scattered shallow crater-like areas (erosions) called apthous ulcers in the inner surface of the bowel; T:In the early stages) (small scattered shallow crater-like areas; called; apthous ulcers in the inner surface of the bowel)
it small scattered shallow crater-like areas
causes called
small scattered shallow crater-like areas (erosions) called apthous ulcers in the inner surface of the bowel T:In the early stages
apthous ulcers in the inner surface of the bowel