

Steffensen BF, Hyde SA, Attermann J, Mattsson E
Reliability of the EK scale, a functional test for non-ambulatory persons with Duchenne muscular dystrophy.
Advances in Physiotherapy 2002; 4: 37-47.
Steffensen BF, Hyde SA, Lyager S, Mattsson E
Validity of the EK scale: - a functional assessment of non-ambulatory individuals with Duchenne muscular dystrophy or spinal muscular atrophy.
Physiotherapy Research International 2001; 6: 119-134.


Steffensen BF
Functional Ability in Non-ambulatory People with Duchenne Muscular Dystrophy or Spinal Muscular Atrophy Assesssed with the EK Scale.
Kongl. Carolinska Medico Chirurgiska Institutet, Stockholm 2002.
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