RT Journal Article SR Electronic T1 Perivascular Spaces JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1019 OP 1020 DO 10.1212/WNL.0000000000201442 VO 99 IS 23 A1 Smith, Eric YR 2022 UL http://n.neurology.org/content/99/23/1019.abstract AB