Application of high-intensity focused ultrasound for umbilical artery occlusion in a rabbit model. - Ichizuka,K.; Ando,S.; Ichihara,M.; Ishikawa,T.; Uchiyama,N.; Sasaki,K.; Umemura,S.; Matsuoka,R.; Sekizawa,A.; Okai,T.; Akabane,T.; Kushima,M. (Ultrasound Obstet Gynecol, 2007)