RT Journal Article SR Electronic T1 Mixed Communications: Problems and Progress in Medical Care: Essays on Current Research JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 47 OP 48 DO 10.1136/jme.7.1.47-a VO 7 IS 1 A1 Una Maclean YR 1981 UL http://jme.bmj.com/content/7/1/47.2.abstract AB