title: Lung development in the second trimester.
authors.forename: J S
authors.initials: JS
authors.lastname: Wigglesworth
mesh_terms: D000653:Amniotic Fluid; D002454:Cell Differentiation; D004247:DNA / Q000096:biosynthesis; D005260:Female; D005865:Gestational Age; D006801:Humans; D008168:Lung / Q000196:embryology*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second
chemical_list: D004247:DNA