Hansen, A.K. and Mollegaard-Hansen, K. 1990. An improved technique for the decontamination of barrier units contaminated with Bacillus piliformis strains of rat origin. Scandinavian Journal of Laboratory Animal Science. 17, 2 (Dec. 1990), 1–3. DOI:https://doi.org/10.23675/sjlas.v17i2.630.