Montealegre, F <br/><br/>
Environmental factors precipitating bronchial asthma exacerbations in southern Puerto Rico: a pilot study.  [electronic resource] 

 -  The Journal of asthma : official journal of the Association for the Care of Asthma  1993 
 - 219-27 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0277-0903 
<br/><br/><label>Standard No.: </label>10.3109/02770909309054520  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Air Pollutants--adverse effects<br/>Asthma--etiology<br/>Environmental Exposure--adverse effects<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Pilot Projects<br/>Puerto Rico<br/>Risk Factors<br/>Seasons<br/>Sex Factors<br/>Smoking--adverse effects