The Following Questions for Readings: "The Ethics of Clinical Research

The Following Questions For Readings: "The Ethics of Clinical Research in the Third World," Marcia Angell
-Angell argues that some trials in developing countries are impermissible because the studies

A) do not use placebo control groups.
B) are conducted by scientists from developed nations.
C) are conducted in poor conditions.
D) use placebo control groups even though a proven treatment exists.