title: Complement defect linked to early strokes.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002561:Cerebrovascular Disorders / Q000209:etiology*; D003175:Complement C2 / Q000172:deficiency*; D006801:Humans; D008875:Middle Aged
chemical_list: D003175:Complement C2