DayS. Threadworm: an infrequent clinical finding in a genitourinary medicine clinic attendee presenting with ano-genital irritation. Int J STD AIDS2009;20:362–3
2.
GarciaLS. Diagnostic Medical Parasitology. Washington, DC: American Society for Microbiology Press, 2007
3.
AbrahamPM. Snakes in the grass or, the worms turns on. JAMA1972;221:917
4.
WaughMA. Threadworm infestation in homosexuals. Trans St Johns' Hosp Dermotol Soc1972;58:224–5
5.
WaughMA. Sexual transmission of intestinal parasites. Br J Vener Dis1974;50:157–8
6.
McMillanA. Threadworms in homosexual males. Br Med J1978;i:367
7.
PhillipsSC, MildvanD, WilliamDC, GelbAM, WhiteM. Sexual transmission of enteric protozoa and helminths in a venereal-disease-clinic population. N Engl J Med1981;305:603–6
