American journal of public health
JPH / American Public Health Association. New York, N.Y.: The Association.
October 1 2002, Volume 92, Issue 10
Journal of the Association of American Medical Colleges
[Philadelphia, Pa. : Hanley & Belfus, c1989-
September 2002; 77(9).
AMA Special Publications devoted to CAM
v.55(11) November 1998