Key points are not available for this paper at this time.
Leonard H. Glantz, George J. Annas, Michael A. Grodin, Wendy K. Mariner, Research in Developing Countries: Taking "Benefit" Seriously, The Hastings Center Report, Vol. 28, No. 6 (Nov. - Dec., 1998), pp. 38-42
Glantz et al. (1998) studied this question.