Study Search Results Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. National Health and Nutrition Examination Survey II, 1976-1980: Chest X-ray Examination, Ages 25-74 Years (ICPSR 9346) United States Department of Health and Human Services. National Center for Health Statistics 2. Primary Care Judgments of Nurses and Physicians, 1976-1978: Clinical Simulation Test -- Chronic Obstructive Pulmonary Disease Data (ICPSR 7731) McLaughlin, Frank E., et al.