Helve, A <br/><br/>
Illnesses among children in municipal day nurseries and kindrgartens in Helsinki.  [electronic resource] 

 -  Annales paediatriae Fenniae  1967 
 - 1-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0570-1732 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickenpox--epidemiology<br/>Child<br/>Child, Preschool<br/>Common Cold--epidemiology<br/>Communicable Diseases--epidemiology<br/>Finland<br/>Humans<br/>Infant<br/>Measles--epidemiology<br/>Schools, Nursery<br/>Whooping Cough--epidemiology