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Perhaps you meant retrospective non randomized?

Search results for "retrospective nonrandomized"

Filters: 1999 1999 ×
Viewing 1 - 20 of 54 results by relevance

Safety of Silicone Breast Implants  (1999)

Enhancing Access to NEXRAD Data--A Critical National Resource  (1999)

Evaluating Federal Research Programs: Research and the Government Performance and Results Act  (1999)

Gulf War Veterans: Measuring Health  (1999)

Decision Making in the U.S. Department of Energy's Environmental Management Office of Science and Technology  (1999)

Consensus Study Report

Evaluating Welfare Reform: A Framework and Review of Current Work, Interim Report  (1999)

Consensus Study Report

Pathological Gambling: A Critical Review  (1999)

Human Dimensions of Global Environmental Change: Research Pathways for the Next Decade  (1999)

Definition of Serious and Complex Medical Conditions  (1999)

Veterans and Agent Orange: Update 1998  (1999)

Sowing Seeds of Change: Informing Public Policy in the Economic Research Service of USDA  (1999)

Making Climate Forecasts Matter  (1999)

Advanced Technology Program: Challenges and Opportunities  (1999)

Materials Science and Engineering: Forging Stronger Links to Users  (1999)

Securing America's Industrial Strength  (1999)

Consensus Study Report

Health Effects of Exposure to Radon: BEIR VI  (1999)

Identifying Future Drinking Water Contaminants  (1999)

Strategies to Protect the Health of Deployed U.S. Forces: Medical Surveillance, Record Keeping, and Risk Reduction  (1999)