National Institutes of Health
http://www.nlm.nih.gov/
U.S. National Library of Medicine
http://www.nlm.nih.gov/
Ethics in Medicine (University of Washington School of Medicine)
http://www.depts.washington.edu/bioethx/topics/index.html
The American Medical Association Code of Medical Ethics (see also the History of AMA Ethics)
http://www.ama-assn.org/ama/pub/physician-resources/medical-ethics/code-medical-ethics.page
Background on W. D. Ross’s prima facie moral principles (Stanford Encyclopedia of Philosophy)
http://plato.stanford.edu/entries/william-david-ross/
Tarasoff v Regents Case: It’s application and extension
https://www.apa.org/monitor/julaug05/jn
On Moral Dilemmas
http://plato.stanford.edu/entries/moral-dilemmas/