Higgins, I T <br/><br/>
The epidemiology of chronic respiratory disease.  [electronic resource] 

 -  Preventive medicine  Mar 1973 
 - 14-33 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0091-7435 
<br/><br/><label>Standard No.: </label>10.1016/0091-7435(73)90005-4  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Factors<br/>Aged<br/>Air Pollution<br/>Asthma--epidemiology<br/>Bronchitis--epidemiology<br/>Child<br/>Child, Preschool<br/>Chronic Disease<br/>Common Cold--complications<br/>Demography<br/>Environmental Exposure<br/>Female<br/>Humans<br/>Lung Diseases, Obstructive--epidemiology<br/>Male<br/>Middle Aged<br/>Pleurisy--complications<br/>Pneumonia--complications<br/>Pulmonary Emphysema--epidemiology<br/>Sex Factors<br/>Smoking<br/>Socioeconomic Factors