1. Wesolowski, T., Host-parasite interactions in natural holesi: Marsh tits Parus palustris and blow flies Protocalliphora falcozi, J. Zool., 2001, vol. 255, no. 4, pp. 495–503.
2. Chapham, B. and George, J., The effects of ectoparasites on cliff swallow growth and survival, in Bird-Parasite Interactions: Ecology, Evolution and Behaviour, Loye, J.E. and Zuk, M., Eds., Oxford: Oxford Univ. Press, 1991.
3. Roby, D. D., Brink, K. L. and Wittmann, K., Effects of bird blowfly parasitism on eastern bluebirds and tree swallow nestlings, Wilson Bull., 1992, vol. 104, pp. 630–643.
4. Richner, H., Oppliger, A. and Christe, P., Effect of an ectoparasite on reproduction in great tits, J. Anim. Ecol., 1993, vol. 62, no. 4, pp. 703–710.
5. Allander, K., The effects of an ectoparasite on reproductive success in the great tit: A 3-year experimental study, Can. J. Zool., 1998, vol.76, no.1, pp. 19–25.