TY - BOOK ED - BMJ Pub. Group TI - Clinical evidence concise: the international source of the best available evidence for effective healthcare / SN - 1905545053 U1 - Circ. 616 C641 2006 PY - 2006/// CY - London : PB - BMJ Pub. Group, KW - 1. Evidence-based medicine-Periodicals N1 - Includes bibliographical references and index ER -