title: [Preliminary observations on the value of the lecithin-sphingomyelin ratio in the gastric juice of the newborn infant].
mesh_terms: D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D010713:Phosphatidylcholines / Q000032:analysis*; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*; D012306:Risk; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins
vernacular_title: Osservazioni preliminari sulla validità del rapporto lecitine-sfingomieline nel succo gastrico del neonato.