title: [Comparative study of placental location by using chromium 51 and the Doppler effect].
mesh_terms: D002860:Chromium Radioisotopes; D005069:Evaluation Studies as Topic; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D010922:Placenta Diseases / Q000175:diagnosis*; D011247:Pregnancy; D014463:Ultrasonography
chemical_list: D002860:Chromium Radioisotopes
vernacular_title: Estudio comparativo de la localización placentaria mediante el empleo del cromo 51 y del efecto Doppler.