H.  Strzelecka, ?Toxicity studies of the flowers of Consolida regalis S. F. Gray?, Acta Poloniae Pharmaceutica, vol. 23, no. 2, pp. 169 - 173, 1966.

J.  Z?otorzycka, Lonc, E., Giebel, O., Mazurkiewicz, M., and Wachnik, Z., ?Sensitivity of ectoparasites of chickens to methylbromfenvinphos (Polwet 5). I. Studies in vitro?, Wiadomosci parazytologiczne, vol. 28, no. 3-4, pp. 387 - 392, 1982.

E.  Lonc, Mazurkiewicz, M., and Kozak, M., ?Effect of organophosphate and pyrethroid preparations in vitro on lice from hens?, Wiadomosci parazytologiczne, vol. 33, no. 3, pp. 393 - 399, 1987.

T. A.  Morsy, el-Ela, R. G., Nasser, M. M., Khalaf, S. A., and Mazyad, S. A., ?Evaluation of the in-vitro pediculicidal action of four known insecticides and three medicinal plant extracts?, Journal of the Egyptian Society of Parasitology, vol. 30, no. 3, pp. 699 - 708, 2000.

T. Lynn Meinking, Entzel, P., Villar, M. E., Vicaria, M., Lemard, G. A., and Porcelain, S. L., ?Comparative efficacy of treatments for pediculosis capitis infestations: update 2000?, Archives of Dermatology, vol. 137, no. 3, pp. 287 - 292, 2001.

T. Lynn Meinking, Serrano, L., Hard, B., Entzel, P., Lemard, G., Rivera, E., and Villar, M. E., ?Comparative in vitro pediculicidal efficacy of treatments in a resistant head lice population in the United States?, Archives of Dermatology, vol. 138, no. 2, pp. 220 - 224, 2002.

K. Sup Yoon, Gao, J. - R., Lee, S. Hyeock, J. Clark, M., Brown, L., and Taplin, D., ?Permethrin-resistant human head lice, Pediculus capitis, and their treatment?, Archives of Dermatology, vol. 139, no. 8, pp. 994 - 1000, 2003.