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Ear and Hearing|June 1, 1991
Hearing aid coupler output level variability and coupler correction levels for insert earphonesT Frank, W D RichardsEar and Hearing|January 1, 1982
Frequency response and output variations of Radioear B-71 and B-72 bone vibratorsW D Richards, T FrankEar and Hearing|November 1, 1980
The Beltone 5b artificial mastoid: theoretical characteristics and performance measurementsT Frank, W D RichardsJournal of Clinical Microbiology|November 1, 1981
Effects of physiol and chemical factors on the viability of Mycobacterium paratuberculosisW D RichardsJournal of Clinical Microbiology|March 1, 1983
Preservation of tissue specimens during transport to mycobacteriology laboratoriesW D Richards, H S WrightThe American Journal of Pathology|July 1, 1971
The influence of thymic and bursal lymphoid systems in avian tuberculosisN F Cheville, W D RichardsApplied Microbiology|August 1, 1972
Inhibition of fungal growth in the cultural isolation of mycobacteriaR S Merkal, W D RichardsJournal of Clinical Microbiology|October 1, 1977
Effect of freezing on the viability of Mycobacterium paratuberculosis in bovine fecesW D Richards, C O ThoenApplied Microbiology|September 1, 1972
Mycobacterial agglutination-inhibition testW D Richards, W G EacretApplied Microbiology|March 1, 1974
Comparison of six methods for isolating mycobacteria from swine lymph nodesC O Thoen, W D Richards, J L JarnaginPageof 26