[Preliminary results following introduction of practical occupations on the sanitary-hygienic schools in the 12th semester].
D006920:Hygiene / Q000193:education*; D009790:Occupations; D012499:Sanitation / Q000193:education*; D012574:Schools
HYGIENE/education; SANITATION/education
Pervyi opy provedeniia zaniatii na 12-m semestre sanitarnogigienicheskogo fakul'teta.