Trends in COPD Morbidity and Mortality in the United States
This paper describes patterns and trends in COPD morbidity and mortality based on data from several data systems of the National Center for Health Statistics (NCHS), as follows:...
This paper describes patterns and trends in COPD morbidity and mortality based on data from several data systems of the National Center for Health Statistics (NCHS), as follows:...
h-index: Number of publications with at least h citations each.