RT Journal Article SR Electronic T1 Progressive proximal spinal and bulbar muscular atrophy of late onset JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 671 OP 671 DO 10.1212/WNL.18.7.671 VO 18 IS 7 A1 William R. Kennedy A1 Milton Alter A1 Joo Ho Sung YR 1968 UL http://n.neurology.org/content/18/7/671.abstract AB