title: [Reversed arterial perfusion in twins. Extreme twin pregnancies can increase the knowledge of normal fetal development].
mesh_terms: D005314:Embryonic and Fetal Development; D005260:Female; D005330:Fetofetal Transfusion / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins