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by Kupper,Lawrence L.
by Kupper; Lawrence L.
by Kleinbaum, David G.; Kupper, Lawrence L.; Morgenstern, Hal
by Lawrence L. Kupper; Brian. H Neelon; Sean M. O'Brien
by Kleinbaum, David G.; Kupper, Lawrence L.; Nizam, Azhar; et al.
by David G. Kleinbaum; Lawrence L. Kupper; Azhar Nizam