by Heldmann, E, Anderson, M A, Wagner-Mann, C
Published in The Journal of the American Animal Hospital Association (01.11.2000)

by Heldmann, E., Holt, D. E., Brockman, D. J., Brown, D. C., Perkowski, S. Z.
Published in Journal of small animal practice (01.12.1999)

by Heldmann, E, Brown, D.C, Shofer, F
Published in Veterinary surgery (01.07.1999)

by Holt, David, Heldmann, Eileen, Michel, Kathryn, Buchanan, James W.
Published in Veterinary surgery (01.05.2000)

by Noaker, L J, Washabau, R J, Detrisac, C J, Heldmann, E, Hendrick, M J
Published in Journal of the American Veterinary Medical Association (15.05.1999)

by HELDMANN E
Year of Publication 03.03.1969

by HELDMANN E
Year of Publication 14.10.1968

by Heldmann, E., Holt, D. E., Brockman, D. J., Brown, D. C., Perkowski, S. Z.
Published in Journal of Small Animal Practice (01.12.1999)

by HENTSCHEL V, HENTSCHEL G, HELDMANN E
Year of Publication 29.11.1971

by SPECK,ULRICH,DE, HELDMANN,DIETER,DE, SIEGERT,JOACHIM,DE, FRITZSCH,THOMAS,DE, STEIN,MICHAEL,DE, ROESSLING,GEORG,DE
Year of Publication 28.05.1992