A.  Buczek, Markowska-Gosik, D., Widomska, D., and Kawa, I. M., ?Pediculosis capitis among schoolchildren in urban and rural areas of eastern Poland?, European journal of epidemiology, vol. 19, no. 5, pp. 491 - 495, 2004.

S. S.  Catalá, Carrizo, L., Cordoba, M., Khairallah, R., Moschella, F., Bocca, J. N., Calvo, A. N., Torres, J., and Tutino, R., ?Prevalence and parasitism intensity by Pediculus humanus capitis in six to eleven-year-old schoolchildren?, Revista da Sociedade Brasileira de Medicina Tropical, vol. 37, no. 6, pp. 499 - 501, 2004.

A.  Ramirez, Almeida, F. F. Luduena, and Almiron, W. R., ?Prevalence of Pediculus humanus capitis infestation in school children at Despenaderos, Cordoba Province?, Revista de la Facultad de Ciencias Medicas de la Universidad Nac. de Cordoba, vol. 60, no. 2, pp. 43 - 53, 2003.

Z. M.  El-Basheir and Fouad, M. A., ?A preliminary pilot survey on head lice, pediculosis in Sharkia Governorate and treatment of lice with natural plant extracts?, Journal of the Egyptian Society of Parasitology, vol. 32, no. 3, pp. 725 - 736, 2002.