TY - RPRT TI - Optimization of a vector quantization codebook for objective evaluation of surgical skill. AU - Timothy M Kowalewski AU - Jacob Rosen AU - Lily Chang AU - Mika N Sinanan AU - Blake Hannaford PY - 2004 UR - https://pubmed.ncbi.nlm.nih.gov/15544266/ ID - 15544266 ER -