title: [Placental localization by means of radioisotopes (R.I.S.A. and technetium 99m) and by ultrasonic echography. Comparative study].
mesh_terms: D000649:Amniocentesis; D005260:Female; D006801:Humans; D010922:Placenta Diseases / Q000175:diagnosis*; D011247:Pregnancy; D011877:Radionuclide Imaging; D012711:Serum Albumin, Radio-Iodinated; D013667:Technetium; D014463:Ultrasonography
chemical_list: D012711:Serum Albumin, Radio-Iodinated; D013667:Technetium
vernacular_title: La localizzazione placentare a mezzo degli isotopi radioattivi (R.I.S.A. e technetium 99m) e della ecografia ultrasonica. Uno studio comparativo