by Lindegaard, J C, Nielsen, O S, Lundbeck, F A, Mamsen, A, Studstrup, H N, von der Maase, H
Published in British journal of urology (01.06.1996)

by Henrik-Nielsen, R, Lundbeck, F A, Teglbjaerg, P S, Ginnerup, P, Hovind-Hougen, K
Published in Gastroenterology (New York, N.Y. 1943) (01.04.1985)