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.
Haverich A, Wagner TO, Zink C, Wahlers T, Schäfers HJ, Borst HG.Haverich A, et al. Among authors: schafers hj.Zentralbl Chir. 1992;117(12):689-94.Zentralbl Chir. 1992.PMID: 1285477Review.German.
Hoeper MM, Hamm M, Schäfers HJ, Haverich A, Wagner TO.Hoeper MM, et al. Among authors: schafers hj.Chest. 1992 Sep;102(3):864-70. doi: 10.1378/chest.102.3.864.Chest. 1992.PMID: 1325340
Schäfers HJ, Haverich A, Cremer J, Jurmann M, Alken A, Hamm M, Borst HG.Schäfers HJ, et al.Chirurg. 1990 Apr;61(4):292-6.Chirurg. 1990.PMID: 2189711German.