1) Tanaka, R., Nagashima, Y., Hoshi, K., Shibazaki, A. and Y. Yamane (1999): Percutaneous closure of the patent ductus arteriosus using detachable coil in a dog. J. Anim. Clin. Med., 8, 29-34.
2) Porstmann, W., Wierny, L., Warnke, H., Gerstberger, G. and P. A. Romaniuk (1971): Catheter closure of patent ductus arteriosus, 62 cases treated without thoracotomy. Radiol. Clin. North Am., 9, 203-218.
3) Rothman, A., Lucas, V. W., Sklansky, M. S., Cocalis, M. W. and I. A. Kashani (1997): Percutaneous coil occlusion of patent ductus arteriosus. J. Pediatr., 130, 447-454.
4) Lloyd, T. R., Fedderly, R., Mendelsohn, A. M., Sandhu, S. K. and R. H. Beekmaan (1993): Transcatheter occlusion of the patent ductus arteriosus with Gianturco coils. Circulation, 88, 1412-1420.
5) Cambier, P. A., Kirby, W. C., Wortham, D. C. and J. W. Moore (1992): Percutaneous closure of the small (<2.5) patent ductus arteriosus using coil embolization. <b><i>Am. J. Cardiol.</i></b>, <b>69</b>, 815-816.