title: Assessment of pulmonary maturity and risk of respiratory distress syndrome by shake test of gastric aspirate in newborns.
mesh_terms: D001724:Birth Weight; D002404:Catheterization; D005260:Female; D005325:Fetal Organ Maturity; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000196:embryology*; D008297:Male; D008722:Methods; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*; D012306:Risk; D013270:Stomach