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Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
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Changes in marketplace demand for physicians: a study of medical journal recruitment advertisements

S D Seifer1, B Troupin, G D Rubenfeld

  • 1Center for Medical Education Research, Department of Medical Education, University of Washington, Seattle, USA.

JAMA
|September 4, 1996
PubMed
Abstract

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