Nielsen, N M <br/><br/>
Intensive exposure as a risk factor for severe polio: a study of multiple family cases.  [electronic resource] 

 -  Scandinavian journal of infectious diseases  2001 
 - 301-5 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0036-5548 
<br/><br/><label>Standard No.: </label>10.1080/003655401300077360  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Denmark--epidemiology<br/>Disease Progression<br/>Family Characteristics<br/>Humans<br/>Paralysis--pathology<br/>Poliomyelitis--epidemiology<br/>Poliovirus<br/>Risk Factors<br/>Urban Renewal