" Incidence of Serious Bacterial Infections in Ex-premature Infants with a Postconceptional Age Less Than 48 Weeks Presenting to a Pediatric Emergency Department " Inoue, Nobuaki; Kim, Tommy Y.; Birkbeck-Garcia, Anne Marie; Givner, Andrew; Denmark, T. Kent; <a href="" class="c-authorlist__list-more-link">et al.</a>