Pinworms Causes, Symptoms and its Treatment & Prevention.

Centers for Disease Control - Pinworm Fact Sheet -
Includes symptoms and prevention.
http://www.cdc.gov/ncidod/dpd/parasites/pinworm/factsht_pinworm.htm

eMedicine - Pinworm : Article by Sun Huh, MD, PhD -
 Article by Sun Huh, MD, PhD.
http://www.emedicine.com/med/topic1837.htm

Enterobius vermicularis - Pinworms -
 Includes pinworm life cycle, signs and symptoms, photographs and drawings of the parasite, and detection procedures.
http://www.biosci.ohio-state.edu/~parasite/enterobius.html

Kidshealth: Pinworm -
 Factsheet with cause, symptoms, prevention, and treatment.
http://kidshealth.org/parent/infections/parasitic/pinworm.html

Pinworms and Your Child -
American Academy of Family Physicians patient information handout with information on treatment, symptoms, and prevention.
http://familydoctor.org/139.xml