title: Preconception ART and preterm birth: real effect or selection bias?
authors.affiliation: University of North Carolina School of Medicine, Chapel Hill, NC, USA. Electronic address: jeffrey_stringer@med.unc.edu.
authors.forename: Jeffrey S A
authors.initials: JS
authors.lastname: Stringer
authors.affiliation: University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA.
authors.forename: Marie C
authors.initials: MC
authors.lastname: Stoner
authors.affiliation: University of North Carolina School of Medicine, Chapel Hill, NC, USA.
authors.forename: Margaret P
authors.initials: MP
authors.lastname: Kasaro
authors.affiliation: University of Zambia School of Medicine, Lusaka, Zambia.
authors.forename: Bellington
authors.initials: B
authors.lastname: Vwalika
authors.affiliation: University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA.
authors.forename: Stephen R
authors.initials: SR
authors.lastname: Cole
mesh_terms: D005260:Female; D015658:HIV Infections; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D047928:Premature Birth; D015983:Selection Bias