title: Echogenic microbubbles in necrotizing enterocolitis.
mesh_terms: D004618:Embolism, Air / Q000175:diagnosis*; D004761:Enterocolitis, Pseudomembranous / Q000175:diagnosis*; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis; D011168:Portal System; D014684:Venae Cavae