O. O. Opara, E. T. Mallinson, C. R. Tate, L. E. Carr, R. G. Miller, L. Stewart, C. Kelleher, R. W. Johnston, S. W. Joseph, The Effect of Exposure, Storage Times, and Types of Holding Media on the Drag-Swab Monitoring Technique for Salmonella, Avian Diseases, Vol. 36, No. 1 (Jan. - Mar., 1992), pp. 63-68
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Opara et al. (1992) studied this question.