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Promises and perils of validating biomarkers for cancer risk

Arthur Schatzkin1

  • 1Nutritional Epidemiology, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20852, USA. schatzka@mail.nih.gov

The Journal of Nutrition
|September 22, 2006
PubMed
Abstract

No abstract available in PubMed .

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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...