[PRELIMINARY RESULTS OF   SCHERMOPHONOCARDIOGRAPHY OBTAINED IN A MASS EXAMINATION OF THE ELEMENTARY AND SECONDARY SCHOOL PUPILS OF LIVORNO].
D000293:Adolescent; D002648:Child; D006331:Heart Diseases; D006801:Humans; D007558:Italy; D008403:Mass Screening; D010701:Phonocardiography; D013902:Radiography, Thoracic; D012572:School Health Services; D012574:Schools
ADOLESCENCE; CHILD; HEART DISEASES; ITALY; MASS SCREENING; PHONOCARDIOGRAPHY; SCHOOL HEALTH; THORACIC RADIOGRAPHY
PRIMI RISULTATI DELLA SCHERMOFONOCARDIOGRAFIA OTTENUTI IN UNA INDAGINE DI MASSA SUGLI ALUNNI DELLE SCUOLE ELEMENTARI E MEDIE DI LIVORNO.