title: Letter: Intrauterine stress and pulmonary maturation.
mesh_terms: D001724:Birth Weight; D005333:Fetus / Q000503:physiopathology*; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008168:Lung / Q000196:embryology* / Q000503:physiopathology; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology; D013315:Stress, Psychological