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Authors: BURTON EM BRICK WG HALL JD RIGGS W HOUSTON CS
Citation: Em. Burton et al., TRACHEOBRONCHIAL FOREIGN-BODY ASPIRATION IN CHILDREN, Southern medical journal, 89(2), 1996, pp. 195-198

Authors: RIGGS W VONHIPPEL E
Citation: W. Riggs et E. Vonhippel, INCENTIVES TO INNOVATE AND THE SOURCES OF INNOVATION - THE CASE OF SCIENTIFIC INSTRUMENTS, Research policy, 23(4), 1994, pp. 459-469
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