title: Greater frequency of premature birth when both parents do not acknowledge filiation.
authors.affiliation: Department of Paediatrics and Neuropsychiatry, University of Rome La Sapienza, Rome, Italy. renato.lucchini@uniroma1.it.
authors.forename: Renato
authors.initials: R
authors.lastname: Lucchini
authors.affiliation: Department of Paediatrics and Neuropsychiatry, University of Rome La Sapienza, Rome, Italy. mario.decurtis@uniroma1.it.
authors.forename: Mario
authors.initials: M
authors.lastname: De Curtis
authors.affiliation: Regional Health Agency of Lazio, Rome, Italy. franco@asplazio.it.
authors.forename: Francesco
authors.initials: F
authors.lastname: Franco
authors.affiliation: Regional Health Agency of Lazio, Rome, Italy. d.dilallo@regione.lazio.it.
authors.forename: Domenico
authors.initials: D
authors.lastname: Di Lallo
mesh_terms: D005190:Family / Q000523:psychology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007558:Italy / Q000453:epidemiology; D008297:Male; D010290:Parents / Q000523:psychology*; D047928:Premature Birth / Q000453:epidemiology*