Mussack, T Serum S-100B protein levels in young amateur soccer players after controlled heading and normal exercise. [electronic resource] - European journal of medical research Oct 2003 - 457-64 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0949-2321 Subjects--Topical Terms: AdolescentAging--physiologyChildCraniocerebral Trauma--bloodData Interpretation, StatisticalExercise--physiologyHumansMaleNerve Growth FactorsReference ValuesRunning--physiologyS100 Calcium Binding Protein beta SubunitS100 Proteins--bloodSensitivity and SpecificitySoccer--injuries