Centers for Disease Control and Prevention
The Centers for Disease Control and Prevention (CDC) is one of the 13 major operating components of the Department of Health and Human Services (HHS), which is the principal agency in the United States government for protecting the health and safety of all Americans and for providing essential human services, especially for those people who are least able to help themselves.

National Institutes of Health (NIH)
The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the primary Federal agency for conducting and supporting medical research.

National Library of Medicine (NLM)
The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care. From here one can access PubMed (biomedical journal literature) and MedlinePlus (health and drug information), among other resources.

Research Advocacy Network
The Research Advocacy Network is a non-profit organization whose mission is to develop a network of advocates and researchers who can influence medical research from concept to patient care through education, support and collaborations.

Society for Women's Health Research
The Society for Women's Health Research is the nation's only non-profit organization whose mission is to improve the health of all women through research, education, and advocacy. The Society encourages the study of sex differences between men and women that affect the prevention, diagnosis and treatment of disease.