Which of the following statements are correct about the ethical issues of alternative organ sources?
A.
The advance of medical technology in organ transplantation has raised additional issues of medical ethics.
B.
The use of alternative organ sources should also minimize the risk on the recipients.
C.
Some of the donors are the animals, so ethical issues can be ignored in this case.
D.
The use of the alternative organ sources should be considered completely medically and ethically.