RT Journal Article SR Electronic T1 Scientific research is a moral duty JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 242 OP 248 DO 10.1136/jme.2005.011973 VO 31 IS 4 A1 John Harris YR 2005 UL http://jme.bmj.com/content/31/4/242.abstract AB