TY - BOOK AU - Richards, Dave A., AU - Hallberg, Ingalill, TI - Complex interventions in health: an overview of research methods SN - 9780415703161 (pbk.) PY - 2015/// CY - London, New York PB - Routledge, Taylor & Francis Group KW - Comparative Effectiveness Research KW - methods KW - Research Design N1 - Includes bibliographical references and index ER -