An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kramer M, Stengel H, Gerwing M, Schimke E, Sheppard C.Kramer M, et al.Vet Radiol Ultrasound. 1999 May-Jun;40(3):282-93. doi: 10.1111/j.1740-8261.1999.tb00363.x.Vet Radiol Ultrasound. 1999.PMID: 10519309
Risselada M, Kramer M, van Bree H.Risselada M, et al. Among authors: kramer m.Vet Radiol Ultrasound. 2003 Mar-Apr;44(2):214-20. doi: 10.1111/j.1740-8261.2003.tb01274.x.Vet Radiol Ultrasound. 2003.PMID: 12718359
Wigger A, Tellhelm B, Kramer M, Rudorf H.Wigger A, et al. Among authors: kramer m.Vet Radiol Ultrasound. 2008 May-Jun;49(3):243-8. doi: 10.1111/j.1740-8261.2008.00358.x.Vet Radiol Ultrasound. 2008.PMID: 18546779
Schmidt MJ, Pilatus U, Wigger A, Kramer M, Oelschläger HA.Schmidt MJ, et al. Among authors: kramer m.J Morphol. 2009 Jun;270(6):745-58. doi: 10.1002/jmor.10717.J Morphol. 2009.PMID: 19123244
Seyrek-Intas D, Michele U, Tacke S, Kramer M, Gerwing M.Seyrek-Intas D, et al. Among authors: kramer m.J Am Vet Med Assoc. 2009 Feb 15;234(4):480-5. doi: 10.2460/javma.234.4.480.J Am Vet Med Assoc. 2009.PMID: 19222356Free article.