TY - JOUR AU - TI - Knowledge stock, exploration, and innovation: Research on the United States electromedical device industry JF - Journal of Business Research DO - 10.1016/j.jbusres.2007.12.004 DA - 2009-04-01 UR - https://www.deepdyve.com/lp/crossref/knowledge-stock-exploration-and-innovation-research-on-the-united-bjUxHWX3Sk SP - 474 EP - 483 VL - 62 IS - 4 DP - DeepDyve ER -