autores Antunes, Henedina Antunes, H. Gonçalves, A. Branca, F. Rodrigues, H. Silva, N. Ferreira, C. Rodrigues, H. Carvalho, F. Silva, N. Ferreira, C. Ramalho, H. Carvalho, F. Gonçalves, A. Branca, F. Ramalho, H.
palavras-chave Adenovirus Bronchiolitis Etiology Female Hospitalization Humans Immunoassay Infant Infant, Newborn Male Nasopharynx Polymerase Chain Reaction Portugal Prevalence Prospective Studies Respiratory syncytial virus Reverse Transcriptase Polymerase Chain Reaction Virus Diseases Viruses