TY - RPRT TI - Test-Retest repeatability of gluteus maximus strength testing using a fixed digital dynamometer in children with cerebral palsy. AU - Mariƫtta L van der Linden AU - Alison M Aitchison AU - M Elizabeth Hazlewood AU - Susan J Hillman AU - James E Robb PY - 2004 DO - 10.1016/j.apmr.2003.12.037 UR - https://pubmed.ncbi.nlm.nih.gov/15605348/ ID - 15605348 ER -