[STATISTICAL ANALYSIS OF BLINDNESS IN THE OPAVA REGION AS DETERMINED BY SURVEY].
D000293:Adolescent; D001699:Biometry; D001766:Blindness; D002648:Child; D003604:Czechoslovakia; D003625:Data Collection; D005853:Geriatrics; D007223:Infant; D007231:Infant, Newborn; D013223:Statistics as Topic
ADOLESCENCE; BLINDNESS; CHILD; CZECHOSLOVAKIA; GERIATRICS; INFANT; INFANT, NEWBORN; STATISTICS
STATISTICK'A ANAL'YZA SLEPOTY V OPAVSK'EM OKRESE, Z'ISKAN'A DEPIST'A Z'I.