[THE PROBLEM OF RESPIRATION AND VOICE IN THE SCHOOL IN ITS SANITARY, EDUCATIONAL, CULTURAL AND ECONOMICAL ASPECTS].
D002648:Child; D006266:Health Education; D006801:Humans; D012119:Respiration; D012574:Schools; D013060:Speech; D014831:Voice
CHILD; HEALTH EDUCATION; RESPIRATION; SPEECH; VOICE
EL PROBLEMA DE LA RESPIRACI'ON Y LA VOZ EN LA ESCUELA, EN SUS ASPECTOS SANITARIO, PEDAG'OGICO, CULTURAL Y ECON'OMICO.