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Citation: Ba. Wagner et al., Variance estimation for population attributable risk in a complex cross-sectional animal health survey, PREV VET M, 48(1), 2001, pp. 1-13
Authors:
Dargatz, DA
Byrum, BA
Hennager, SG
Barber, LK
Kopral, CA
Wagner, BA
Wells, SJ
Citation: Da. Dargatz et al., Prevalence of antibodies against Mycobacterium avium subsp paratuberculosis among beef cow-calf herds, J AM VET ME, 219(4), 2001, pp. 497-501
Authors:
Whitlock, RH
Wells, SJ
Sweeney, RW
Van Tiem, J
Citation: Rh. Whitlock et al., ELISA and fecal culture for paratuberculosis (Johne's disease): sensitivity and specificity of each method, VET MICROB, 77(3-4), 2000, pp. 387-398
Citation: Sj. Wells et Ba. Wagner, Herd-level risk factors for infection with Mycobacterium paratuberculosis in US dairies and association between familiarity of the herd manager with the disease or prior diagnosis of the disease in that herd and use of preventive measures, J AM VET ME, 216(9), 2000, pp. 1450-1457