المؤلفون: Nelson, J., Helms, Harold, Fiscella, Richard, Southwell, Yvonne, Hirsch, Jan, Nelson, J D, Helms, H, Fiscella, R, Southwell, Y, Hirsch, J D

المصدر: Advances in Therapy; Mar2000, Vol. 17 Issue 2, p84-93, 10p