by Nyswonger, G D, Helmchen, R H
Published in The Journal of neuroscience nursing (01.08.1992)

by Murnane, A, Evertson, L, Helmchen, R
Published in Journal of reproductive medicine (01.10.1992)

by Hallmann, E., Helmchen, R.
Published in IEEE VTS 53rd Vehicular Technology Conference, Spring 2001. Proceedings (Cat. No.01CH37202) (2001)

by Kerr, T M, Smith, J M, McKenna, P, Lutter, K S, Sampson, M G, Helmchen, R H, Roedersheimer, L R
Published in Surgery, gynecology & obstetrics (01.10.1992)

by Falciglia, H S, Henderschott, C, Potter, P, Helmchen, R
Published in American journal of obstetrics and gynecology (01.11.1992)

by Paraiso, M F, Brady, K, Helmchen, R, Roat, T W
Published in Obstetrics and gynecology (New York. 1953) (01.10.1994)

by Lambers, Donna S., Brady, Kim, Leist, Phyllis A., Setser, Charles, Helmchen, Rick
Published in Obstetrics and gynecology (New York. 1953) (01.05.1995)

by GOEBEL, WERNER, HELMCHEN, FRITJOF, DR
Year of Publication 05.03.2008

by MUERMANN, CHRISTOPH, HELMCHEN, GUENTHER, DR
Year of Publication 21.08.2002

by HELMCHEN, GUNTHER, DR, MURMANN, CHRISTOPH
Year of Publication 01.03.2003

by MUERMANN, CHRISTOPH, HELMCHEN, GUENTHER, DR
Year of Publication 23.12.1998

by LANGER, THOMAS, 69221 DOSSENHEIM, DE, HELMCHEN, GUENTHER, DR., 69115 HEIDELBERG, DE
Year of Publication 26.06.1997

by RITTER, KURT., 6900 HEIDELBERG, ADAM, GEO., 6800 MANNHEIM, HELMCHEN, GUENTER, DR., 6900 HEIDELBERG, SPRINZ, JUERGEN, 6800 MANNHEIM
Year of Publication 23.06.1994

by KARGE,REINHARD, HELMCHEN,GUENTER,DR, HARTMANN,HORST, POLL,THOMAS
Year of Publication 24.09.1987

by HELMCHEN, GUENTER, .. DR, POLL, THOMAS., 8700 WUERZBURG, DE
Year of Publication 19.09.1985