Nausea and Vomiting: References

Persistent Nausea or Vomiting. (2012). Patient.co.uk. Retrieved 11/2014 from http://www.patient.co.uk/doctor/persistent-nausea-or-vomiting.

MedlinePlus. Nausea and Vomiting. US Dept of Health and Human Services, National Institutes of Health, National Library of Medicine. 10/20/09. Accessed 11/30/11 from http://www.nlm.nih.gov/medlineplus/ency/article/003117.htm.