title: Genetic epidemiologic studies of preterm birth: studies of disease or of "rescue by birth"?
authors: J Frederik
authors: JF
authors: Frøen
authors: Halit
authors: H
authors: Pinar
authors: Errol R
authors: ER
authors: Norwitz
mesh_terms: D005075:Biological Evolution; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D047928:Premature Birth / Q000453:epidemiology* / Q000235:genetics*