Croon, M C <br/><br/>
Some epidemiological data collected from the epidemic of poliomyelitis in 1956.  [electronic resource] 

 -  Folia medica Neerlandica. Additamenta  1963 
 - 102-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Child<br/>Child, Preschool<br/>Female<br/>Humans<br/>Infant<br/>Male<br/>Netherlands<br/>Poliomyelitis--epidemiology<br/>Pregnancy