title: Clinical trial research in focus: factors that hamper the development and evaluation of influenza vaccines.
authors.affiliation: Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, 06129 Perugia, Italy; Pediatric Highly Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy. Electronic address: susanna.esposito@unimi.it.
authors.forename: Susanna
authors.initials: S
authors.lastname: Esposito
authors.affiliation: Pediatric Highly Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy.
authors.forename: Nicola
authors.initials: N
authors.lastname: Principi
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D012107:Research Design
chemical_list: D007252:Influenza Vaccines