Complexity, Multi-Morbidity, Polypharmacy and Disability in People With Multiple Sclerosis Seen by A Canadian Specialist in Physical Medicine and Rehabilitation. A Retrospective Chart Review. - Scandiffio J; Sureshkumar A; Schmitt B; Speranza M; Langer L; Donkers S; Oh J; Munce S; Bayley M; Bruno T; Simpson R (American journal of physical medicine & rehabilitation, 2026)