TY - RPRT TI - Patient outcomes research teams: examples from a study on knee replacement. AU - D A Freund AU - B P Katz AU - C M Callahan PY - 1993 DO - 10.1111/j.1749-6632.1993.tb26338.x UR - https://pubmed.ncbi.nlm.nih.gov/8192321/ ID - 8192321 ER -