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Ignatavicius, D., and S. Workman. Medical Surgical Nursing: Critical Thinking for Collaborative Care. 5th ed. Philadelphia: Mosby, 2006.
Brunner, L., and D. Suddarth. Textbook of Medical Surgical Nursing. 10th ed. Philadelphia: Lippincott Williams & Wilkins, 2006.
Lehne, R. Pharmacology for Nursing Care. 7th ed. Philadelphia: Elsevier, 2009.
Lemone, P., and K. Burke. Medical Surgical Nursing: Critical Thinking in Client Care. 4th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2008.
Lewis, S., M. Heitkemper, S. Dirksen, P. O’Brien, and L. Bucher. Medical Surgical Nursing: Assessment and Management of Clinical Problems. 7th ed. Philadelphia: Elsevier, 2007.
“Visual Impairment, Visual Disability and Legal Blindness”: http://www.nlm.nih.gov/medlineplus/visionimpairmentandblindness.html
emedicine from WebMD: www.emedicine.com