RT Journal Article SR Electronic T1 A gestational dose of vitamin D per day keeps the MS doctor away JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 13 OP 14 DO 10.1212/WNL.0000000000003469 VO 88 IS 1 A1 Ruth Ann Marrie A1 Martin Daumer YR 2017 UL http://n.neurology.org/content/88/1/13.abstract AB