Exaggerated placenta site in placenta previa: an imaging differential diagnosis of placenta accreta, placental site trophoblastic tumor and molar pregnancy - Chen, Ya-Fang; Ismail, Hamizah; Chou, Min-Min; Lee, Fang-Yi; Lee, Jen-Hueih; Ho, Esther Shih-Chu (Elsevier (Singapore) Pte Ltd, Hong Kong Branch, 2012)