[Child and adolescent hygiene today].

[Child and adolescent hygiene today]. — المؤلف: Serdiukovskaia, G N — Gigiena i sanitariia Nov 1977

المؤلف
Serdiukovskaia, G N
النشر
Gigiena i sanitariia Nov 1977
الوصف
57-61 p.
الموضوعات
Adolescent؛ Child؛ Environmental Health؛ Humans؛ Hygiene؛ Mental Fatigue؛ Preventive Medicine؛ School Health Services