Zusková, D <br/><br/>
[Contribution to the problems of long-term epidemiologic studies of acute viral respiratory diseases (ARD). I. Significance of longitudinal studies of acute respiratory diseases for the detection of influenza viruses in the pre-epidemic stage].  [electronic resource] 

 -  Ceskoslovenska epidemiologie, mikrobiologie, imunologie  Mar 1969 
 - 98-110 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-0522 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Child<br/>Child, Preschool<br/>Culture Media<br/>Czechoslovakia<br/>Epidemiologic Methods<br/>Female<br/>Humans<br/>Infant<br/>Infant, Newborn<br/>Influenza, Human--epidemiology<br/>Male<br/>Orthomyxoviridae--isolation & purification<br/>Orthomyxoviridae Infections--epidemiology<br/>Respiratory Tract Infections--diagnosis<br/>Virus Diseases--epidemiology