Constantinescu, N <br/><br/>
[Immunity in viral hepatitis evaluated according to epidemiological criteria].  [electronic resource] 

 -  Studii si cercetari de inframicrobiologie  1968 
 - 347-53 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0039-3975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Antigen-Antibody Reactions<br/>Chickenpox--epidemiology<br/>Child<br/>Child, Preschool<br/>Hepatitis A--epidemiology<br/>Humans<br/>Infant<br/>Influenza, Human--epidemiology<br/>Measles--epidemiology<br/>Mumps--epidemiology<br/>Romania<br/>Rubella--epidemiology<br/>Rural Population<br/>Seasons<br/>Urban Population