TY - BOOK AU - Marshall,Patricia A. ED - World Health Organization TI - Ethical Challenges in Study Desig and Informed Consent for Health Research in Resource-Poor Settings SN - 92-4-156338-3 PY - 2007/// CY - Geneva PB - World Health Organization KW - Ethics, Research KW - Informed consent KW - Research design KW - Developing countries N1 - Includes bibliographical references ER -