RT Journal Article SR Electronic T1 Letter: Gaps in the literature in London medical libraries. JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 196 OP 196 DO 10.1136/jme.1.4.196 VO 1 IS 4 A1 R B Baker YR 1975 UL http://jme.bmj.com/content/1/4/196.abstract AB