Kibel, M A <br/><br/>
How rare is rare?  [electronic resource] 

 -  Paediatric and perinatal epidemiology  Jul 1990 
 - 371-2 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0269-5022 
<br/><br/><label>Standard No.: </label>10.1111/j.1365-3016.1990.tb00659.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods<br/>Research Design<br/>Terminology as Topic