Asthma-II: Pathophysiology and Classification
Classification of Illness
Principles of Disease Surveillance
Asthma-III: Symptoms and Complications
Asthma III: Clinical Manifestations
Asthma-IV: Diagnostic and Management
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Jun 1, 2026

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
Published on: May 29, 2019
Adel F Hanna1, Karin B Yeatts, Aijun Xiu
1Institute for the Environment, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA. ahanna@unc.edu
Synoptic circulation patterns influence air pollution. Specific air masses, like dry tropical, were linked to higher ozone levels and increased hospital admissions for asthma and myocardial infarction.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: