Anxiety and Panic in Chronic Obstructive Pulmonary Disease: The Role of Catastrophic Thoughts

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 78.9K citations · Full text

Public Health, Biostatistics, Categorical Data Analysis +12

The Hospital Anxiety and Depression Scale

A. S. Zigmond, R. P. Snaith · Acta Psychiatrica Scandinavica · 1983 · 46.6K citations

Social Sciences, Psychiatry, Psychology +13

Lung volumes and forced ventilatory flows. Report Working Party Standardization of Lung Function Tests, European Community for Steel and Coal. Official Statement of the European Respiratory Society.

Quanjer Ph, Tammeling Gj, Cotes Je et al. · PubMed · 1993 · 3.8K citations

Health Professions, Clinical Sciences, Internal Medicine +17

Anxiety sensitivity, anxiety frequency and the prediction of fearfulness

Steven Reiss, David M. Gursky, Richard J. McNally · Behaviour Research and Therapy · 1986 · 3.2K citations

Social Sciences, Behavioral Sciences, Psychology +14

A Self-complete Measure of Health Status for Chronic Airflow Limitation: The St. George's Respiratory Questionnaire

Paul Jones, Frances Quirk, Chloë M. Baveystock et al. · American Review of Respiratory Disease · 1992 · 3.1K citations · Full text

Medicine, Clinical Sciences, Internal Medicine +17