Climatic and racial factors related to the aetiology of secretory otitis media.


This paper studied the incidence of secretory and chronic otitis among a random group of 5,950 children, aged from 4 to 9, coming from four different climatic regions of Spain, and including a group of Gypsy children. Each of the children was given a questionnaire regarding socio-economic and environmental situation and pathological antecedents; the results… (More)


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