title: The comparative safety of buprenorphine versus methadone in pregnancy-what about confounding?
authors.affiliation: Department of Surgery, Queens University, Kingston, Canada.
authors.forename: Susan B
authors.initials: SB
authors.lastname: Brogly
authors.affiliation: Obstetrics and Gynecology, Boston Medical Center, Boston, MA, USA.
authors.forename: Kelley
authors.initials: K
authors.lastname: Saia
authors.affiliation: Department of Epidemiology, Harvard University T H Chan School of Public Health, Boston, MA, USA.
authors.forename: Sonia
authors.initials: S
authors.lastname: Hernández-Diaz
authors.affiliation: Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA.
authors.forename: Martha
authors.initials: M
authors.lastname: Werler
authors.affiliation: Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA.
authors.forename: Paola
authors.initials: P
authors.lastname: Sebastiani
mesh_terms: D002047:Buprenorphine; D005260:Female; D006801:Humans; D008691:Methadone; D009357:Neonatal Abstinence Syndrome; D058850:Opiate Substitution Treatment; D009293:Opioid-Related Disorders; D011247:Pregnancy; D011248:Pregnancy Complications
chemical_list: D002047:Buprenorphine; D008691:Methadone
keywords: Birth outcomes; buprenorphine; infants; methadone; neonatal abstinence syndrome; pregnancy