National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't female male adolescent Child Infant Drug Administration Schedule Comparative Study Prospective Studies preschool risk factors Clinical Trial Multicenter Study anti-bacterial agents / therapeutic use Cohort Studies pmid:12777590 doi:10.1542/peds.111.6.e714 controlled clinical trial martin chalumeau sylvie tonnelier pediatric fluoroquinolone safety study investigators anti-bacterial agents / adverse effects cystic fibrosis / complications cystic fibrosis / pathology fluoroquinolones / adverse effects* fluoroquinolones / therapeutic use france multivariate analysis musculoskeletal diseases / chemically induced respiratory tract infections / complications respiratory tract infections / drug therapy respiratory tract infections / prevention & control sinusitis / complications sinusitis / drug therapy