title: A multivariate approach in statistical analysis for perinatal research: Cox regression analysis.
authors.affiliation: Division of Genetics, New England Medical Centre, Boston, MA, USA. antonio.farina@es.nemc.org
authors.forename: A
authors.initials: A
authors.lastname: Farina
authors.forename: F
authors.initials: F
authors.lastname: Vesce
authors.forename: A
authors.initials: A
authors.lastname: Sekizawa
authors.forename: M
authors.initials: M
authors.lastname: Barbieri