References
- Kyrönseppä H, Pettersson T. The occurrence of human intestinal parasites in Finland. Scand J Infect Dis 1976; 8: 199–202
- Allen A V, Ridley D S. Further observations on the formol ether concentration technique for faecal parasites. J Clin Pathol 1970; 23: 545
- Medical parasitology, J W Beck, J E Davies. The C. V. Mosby Company, (Appendix A), St Louis 1976; 214, Solutions, stains and procedures for examining fecal material. In:, eds.
- Håkansson C, Thorén K, Norkrans G, Johannisson G. Intestinal parasitic infections and other sexually transmitted diseases in asymptomatic homosexual men. Scand J Infect Dis 1984; 16: 199–202
- Engbraek K, Larsen S O. Intestinal parasites in schoolchildren. Ugeskr Laeger 1978; 140: 9–13
- Danø P, Olsen J, Veilsgaard R. Giardia intestinalis. A Prospective investigation of the prevalence in Denmark. Scand J Gastroenterol 1991; 26: 336–338