difficult+digestion
131Scleroderma — This article is about the disease. For the mushroom, see Scleroderma (genus). Not to be confused with the skin disease scleredema. Scleroderma Classification and external resources ICD 10 L …
132Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] …
