Subgroups in epidemiological studies on spinal cord injury: Evaluation of international recommendations in the Swiss Spinal Cord Injury Cohort Study.

Hinrichs T, Prodinger B, Brinkhof MWG, Gemperli A: Subgroups in epidemiological studies on spinal cord injury: Evaluation of international recommendations in the Swiss Spinal Cord Injury Cohort Study, Journal of Rehabilitation Medicine 2016; 48: 141-148.