RT Journal Article SR Electronic T1 A 70-year-old man with lower-extremity weakness and falls JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 409 OP 417 DO 10.3949/ccjm.93a.25061 VO 93 IS 7 A1 Frolkis, Calen A1 Wachsman, Ari A1 Liu, Angela A1 Harb, Ayoub YR 2026 UL http://www.ccjm.org/content/93/7/409.abstract AB