Takala, A K <br/><br/>
Increased risk of primary invasive Haemophilus influenzae type B disease in twins.  [electronic resource] 

 -  The Pediatric infectious disease journal  Nov 1989 
 - 799-800 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0891-3668 
<br/><br/><label>Standard No.: </label>10.1097/00006454-198911000-00014  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carrier State--epidemiology<br/>Child<br/>Child, Preschool<br/>Diseases in Twins--epidemiology<br/>Female<br/>Finland--epidemiology<br/>Haemophilus Infections--epidemiology<br/>Haemophilus influenzae--isolation & purification<br/>Humans<br/>Infant<br/>Male<br/>Nasopharynx--microbiology<br/>Risk Factors