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By Kerry F. Harris (Texas A&M University, College Station, U.S.A.), Oney P. Smith (Hood College, Frederick, Maryland, James E. Duffus (United States Department of Agriculture, Salinas, California)
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By Cedric A. Mims (Guy's Hospital Medical School, UMDS, London, U.K.)
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By DD Whitt (University of Illinois USA), AA Salyers (University of Illinois USA)
By Joan L. Slonczewski (Kenyon College), John W. Foster (University of South Alabama)
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By S. Mohan (University of Birmingham), C. Dow (University of Warwick), J. A. Cole (University of Birmingham)
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