1. Parasitology. Ed. Prof. G. Genov. Enterobiasis, p. 155. Medicine and physical education. Sofia, 1989.
2. Clinical Parasitology and Tropical medicine. Ed. Prof. P. Petrov and Prof. R. Kurdova. Enterobiasis. B. Chakarova, p. 266. Ed. East-West, 2016. ISBN 978-619-152-779-3.
3. Parasitology (local and tropical parasitosis). Ed. of Violina Boeva-Bangyozova and Kamena Vutova. Enterobiasis, B. Chakarova, p. 244. Second revised edition. Sofia, 2008.
4. Despommier D., Griffin D., Gwadz R., Hotez P., Knirsch C. Parasitic Diseases (Sixth Edition). Sentinel printing USA. 2017;201-208.
5. Vermund S., Wilson C. Pinworm (Enterobius vermicularis). Semin Pediatr Infect Dis. 2000; 11:252–256. https://doi.org/10.1053/spid.2000.9639