by Tiegs, R.D, Lohse, C.M, Wollan, P.C, Melton, L.J
Published in Bone (New York, N.Y.) (01.09.2000)

by Lopez-Beltran, A, Pacelli, A, Rothenberg, H J, Wollan, P C, Zincke, H, Blute, M L, Bostwick, D G
Published in The Journal of urology (01.05.1998)

by Turner, T.R., Wollan, P.C.
Published in Computational statistics & data analysis (21.08.1997)