RT Journal Article SR Electronic T1 Estrogens and Alzheimer disease risk JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1840 OP 1841 DO 10.1212/WNL.0b013e318271f88f VO 79 IS 18 A1 Henderson, Victor W. A1 Rocca, Walter A. YR 2012 UL http://n.neurology.org/content/79/18/1840.abstract AB