TY - JOUR AU - Backman, CL; Harris, SR TI - Case studies, single-subject research, and n of 1 randomized trials: Comparisons and contrasts JO - American Journal of Physical Medicine & Rehabilitation IS - 02 VL - 78 PY - 1999 DO - 10.1097/00002060-199903000-00022 L3 - PubMed-ID: 10088595 SP - 170 EP - 176. ER -