Minors (1) Vancomycin (1) Streptococcus pneumoniae (1) Statistics (1) Reason (1) Penicillin (1) Nasopharynx (1) Months (1) Macrolide antibiotics (1) Identification (1) Hydrocolloid surgical dressings (1) Health (1) Erythromycin (1) Colonization (1) Chloramphenicol (1) Children (1) Calcium (1) Anti-infective agents (1) Algina (1) Eritromicina (1) Streptococcus pneumoniae (1) Cefotaxima (1) Meses (1) Nasofaringe (1) Ampicilina (1) Factores (1) Cloranfenicol (1) Salud (1) Identificación (1) Penicilina (1)