... prolonged.
Multiple sclerosis Dystrophinopathies (e.g., Duchenne or Becker muscular dystrophy) SIGNS / SYMPTOMS INVESTIGATIONS SIGNS / SYMPTOMS
May be a ... fibers in groups.
Dystrophinopathies (e.g., Duchenne or Becker muscular ... dystrophies SIGNS / SYMPTOMS INVESTIGATIONS SIGNS / SYMPTOMS
Myotonia ...