title: Letter: Hydatidiform mole: two entities.
mesh_terms: D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000145:classification* / Q000235:genetics / Q000473:pathology; D002820:Hydatidiform Mole, Invasive / Q000235:genetics / Q000473:pathology; D007621:Karyotyping; D009362:Neoplasm Metastasis; D011247:Pregnancy; D014327:Trophoblasts / Q000473:pathology