TY - JOUR AU - Martin, W R; Wieler, M; Gee, M TI - Midbrain iron content in early Parkinson disease: a potential biomarker of disease status JO - Neurology VL - 70 PY - 2008 DO - 10.1212/01.wnl.0000286384.31050.b5 L3 - PubMed-ID: 18172063 SP - 1411 EP - 1417 ER -