KY Chean, S Abdulrahman, MW Chan… - The international journal …, 2019 - ncbi.nlm.nih.gov
Background: Despite its excellent psychometric properties, St George's Respiratory Questionnaire (SGRQ) has not been previously used in measuring respiratory quality of life …
Previous studies have reported on the increment in the concentration levels of outdoor air pollution affecting the lung functions among traffic police as they work outdoors, on an …
Background: Apart from being exposed to various hazards, there are several other factors that contribute to the deterioration of traffic police health. Objectives: A cross-sectional study …