1. Small cell carcinoma of the ovary, hypercalcemic type—Analysis of combined experience and recommendation for management;Harrison;Gynecol. Oncol.,2006
2. Editorial;Young;Gynecol. Oncol.,1995
3. Levels of Evidence and Grades of Recommendation. http://www.cebm.net/levels_of_evidence.asp#levels.
4. Public Law 107-280, 107th Congress, Nov. 6, 2002.
5. NIH Establishes Rare Clinical Diseases Network. http://www.nih.gov/news/pr/nov2003/ncrr-03.htm