Marshall, P. L. (2007). Ethical challenges in study design and informed consent for health research in resource-poor settings. World Health Organization.
Lua i Stíl Chicago (17ú heag.)Marshall, Patricia Loomis. Ethical Challenges in Study Design and Informed Consent for Health Research in Resource-poor Settings. Geneva, Switzerland: World Health Organization, 2007.
Lua MLA (9ú heag.)Marshall, Patricia Loomis. Ethical Challenges in Study Design and Informed Consent for Health Research in Resource-poor Settings. World Health Organization, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.