Browsing by Author "Portilla Sr.,"
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Prado,; Trucco,; Molina, Gabriel; Flaskamp,; Portilla Sr., (1990)In a previous study we observed that 6% of adult and 18% of children contacts of H. influenzae infected patients became carriers of the bacillus. We studied 1296 adults involved in children care, 398 from day care centers ...