TY  - GEN
AU  - Shefer,L B
AU  - Zaĭtsev,B A
TI  - [Determining the optimal frequency of preventive fluorographic examination of the population]
SN  - 0032-9533
PY  - 1989///0519
KW  - Adolescent
KW  - Adult
KW  - Age Factors
KW  - Aged
KW  - Female
KW  - Fluoroscopy
KW  - economics
KW  - Humans
KW  - Kazakhstan
KW  - Lung Diseases
KW  - diagnostic imaging
KW  - Male
KW  - Mass Chest X-Ray
KW  - Middle Aged
KW  - Time Factors
N1  - Publication Type: Comparative Study; Journal Article
ER  -