[A SEMINAR ON POLYTECHNICAL TRAINING IN THE PEOPLE'S REPUBLIC OF GERMANY].
D000293:Adolescent; D002648:Child; D005858:Germany; D005859:Germany, East; D006801:Humans; D012572:School Health Services; D014829:Vocational Education
ADOLESCENCE; CHILD; GERMANY, EAST; SCHOOL HEALTH; VOCATIONAL EDUCATION
SEMINAR PO GIGIENE POLITEKHNICHESKOGO OBUCHENIIA V GDR.