TY - BOOK AU - Barker, Chris AU - Pistrang, Nancy AU - Elliott, Robert TI - Research Methods in Clinical Psychology : : An Introduction for Students and Practitioners SN - 0471490873 U1 - 616.890072 23 PY - 2002/// CY - New York PB - John Wiley & Sons, LTD KW - Clinical Psychology N1 - includes index ER -