title: Persistence of the fetal circulation: a commentary.
mesh_terms: D001809:Blood Viscosity; D006328:Cardiac Catheterization; D003490:Cyanosis / Q000175:diagnosis / Q000209:etiology; D003937:Diagnosis, Differential; D005078:Exchange Transfusion, Whole Blood; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D007003:Hypoglycemia / Q000151:congenital; D000860:Hypoxia / Q000503:physiopathology; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis; D011086:Polycythemia / Q000209:etiology; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis / Q000209:etiology; D014655:Vascular Resistance