1. 1. Tsapko, V. G., Sterenbogen, M. Yu., Chudnovets A. Ya. 2006, «The value of bioaerosols in the hygienic evaluation of working conditions in agriculture», Ukrainian Journal of Occupational health, no. 4 (8), pp. 65-71 (in Russian).
2. 2. Tsapko, V. G, Sterenbogen, M. Yu., Chudnovets, A. Ya. 2007, «On assessment of the influence of biological factors on agricultural workers», Bulletin of Hygiene and Epide¬miology, Vol. 11 (Appendix), no. 2, pp. 78-79 (in Russian).
3. 3. Dutkiewicz, J. 1997, «Bacteria and fungi in organic dust as a potential health hazard», Ann. Agric. Environ. Med, no. 4, pp. 11-16.
4. 4. Tsapko, V. G., Sterenbogen, M. Yu. 1999, «The role of biological factor on working conditions at objects of the agro-industrial complex», Occupational Medicine and Industrial Ecology, Moscow, no. 4, pp. 15-19 (in Russian).
5. 5. Dutkiewicz, J. 1992, «Bacteria and their products as occupational allergens», Pneum.Alergol. Pol., Vol. 60, no. 2, pp. 14-21.