TY  - GEN
AU  - Zusková,D
AU  - Heinz,F
TI  - [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]
SN  - 0009-0522
PY  - 1969///0607
KW  - Adolescent
KW  - Child
KW  - Child, Preschool
KW  - Culture Media
KW  - Czechoslovakia
KW  - Epidemiologic Methods
KW  - Female
KW  - Humans
KW  - Infant
KW  - Infant, Newborn
KW  - Influenza, Human
KW  - epidemiology
KW  - Male
KW  - Orthomyxoviridae
KW  - isolation & purification
KW  - Orthomyxoviridae Infections
KW  - Respiratory Tract Infections
KW  - diagnosis
KW  - Virus Diseases
N1  - Publication Type: Journal Article
ER  -