Pathogenesis of twin reversed arterial perfusion sequence is different from that of twin-to-twin transfusion syndrome: Clinicopathological assessment of 32 cases of multiple pregnancies with acardia. Issue 9 (September 2015) - Sato, Taisuke; Matsuoka, Kentaro; Ito, Yuki; Umehara, Nagayoshi; Okamoto, Aikou; Sago, Haruhiko