Those who survived Hurricanes Katrina and Rita faced homelessness and physical and mental health problems that created ethical dilemmas for physicians.
When recruiting physicians from developing countries for U.S. residency training slots there are ethical concerns that program directors and potential residents should be aware of and discuss.
Specific contributions to a scientific article entitle the contributor to be included as an author; requests for authorship by those who have not made those specific contributions are unethical.