TY - JOUR T1 - What proportion of healthcare is evidence based? Resource Guide UR - http://scholar.google.co.uk/scholar?start=970&q=%22booth+a%22&hl=en&as_sdt=2000#5 PY - 2003/01/01 AU - Booth A AU - Djulbegovic B AU - Guthrie B AU - Perleth M ED - Y2 - 2024/12/22 ER -