6Morimoto A,Nishio H,Shimoyashlki Y. MR Cholangio Pancreatography using respiratory triggered half-Fourier RARE technique[J].Japan Clinics,1998.2859-2864.
7Liu Y L,Rjederer S I,Rossman P I. A monitoring feedback and triggering system for reproducible breath-hold MR imaging[J].Magnetic Resonance in Medicine,1993,(04):507.