TY - RPRT TI - Stepping as an exercise modality for improving fitness and function. AU - S K Christman AU - A F Fish AU - D J Frid AU - B A Smith AU - C X Bryant PY - 1998 DO - 10.1016/s0897-1897(98)80174-2 UR - https://pubmed.ncbi.nlm.nih.gov/9627430/ ID - 9627430 ER -