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.
Spring KR, Giebisch G.Spring KR, et al.J Gen Physiol. 1977 Sep;70(3):307-28. doi: 10.1085/jgp.70.3.307.J Gen Physiol. 1977.PMID: 894258Free PMC article.
Persson BE, Spring KR.Persson BE, et al. Among authors: spring kr.J Gen Physiol. 1982 Mar;79(3):481-505. doi: 10.1085/jgp.79.3.481.J Gen Physiol. 1982.PMID: 7077291Free PMC article.
Spring KR, Paganelli CV.Spring KR, et al.J Gen Physiol. 1972 Aug;60(2):181-201. doi: 10.1085/jgp.60.2.181.J Gen Physiol. 1972.PMID: 5049078Free PMC article.