TY - BOOK AU - Haynes R Brian. TI - Clinical epidemiology: how to do clinical practice research SN - 0781745241 U1 - WA105 PY - 2006/// CY - Philadelphia PB - Lippincott William & Wilkins KW - Medical Research-Epidemiology KW - Epidemiology,Clinical N1 - David L Sackett,Gordon H Guyatt and Peter Tugwell jt.authors N2 - Epidemiology,Clinical, Medical Research-Epidemiology ER -