21.   Medical ethics rules say doctors may tell management only whether a person is fit to work, and may not disclose diagnoses or other details.

22.   On the other hand, medical ethics prevent the researchers from promoting risky sexual behavior on the part of the volunteers.

23.   Several experts in medical ethics said they had urged officials at the health institutes and the disease-control centers to abandon the studies, or at least reconsider.

24.   So medical ethics preclude any discussion beyond updates.

25.   Still, experts in medical ethics acknowledge the obligation to protect other people who may be injured by the patient.

26.   The book has become must reading for all physicians and students of medical ethics, he says.

27.   The conference brought together specialists from such disparate fields as medical ethics, adoption services, law, and medicine.

28.   The last two will be argued as long as medical ethics is considered a popular parlor game among dues-paying AMA members.

29.   The opinion went on to state that psychiatrists participating in such services risk violating medical ethics.

30.   The national Ministry of Health said it was referring the case to a medical ethics board.