Halperin, S A <br/><br/>
Epidemiological features of pertussis in hospitalized patients in Canada, 1991-1997: report of the Immunization Monitoring Program--Active (IMPACT).  [electronic resource] 

 -  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America  Jun 1999 
 - 1238-43 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1058-4838 
<br/><br/><label>Standard No.: </label>10.1086/514792  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canada--epidemiology<br/>Female<br/>Hospitalization<br/>Humans<br/>Infant<br/>Infant, Newborn<br/>Male<br/>Pertussis Vaccine--immunology<br/>Time Factors<br/>Vaccination<br/>Whooping Cough--epidemiology