title: Reply: prevalence of pneumococcal disease, serotype distribution, and antimicrobial susceptibility in Mexican children younger than 5 years of age.
authors.affiliation: Centro Nacional para la Salud de la Infancia y la Adolescencia, Secretaría de Salud, Mexico, D.F., Mexico. Electronic address: oscard_ortiz@yahoo.com.
authors.forename: Oscar Daniel
authors.initials: OD
authors.lastname: Ortiz
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D011008:Pneumococcal Infections / Q000453:epidemiology*; D013296:Streptococcus pneumoniae / Q000302:isolation & purification*