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.
Munaim SI, Klagsbrun M, Toole BP.Munaim SI, et al. Among authors: toole bp.Proc Natl Acad Sci U S A. 1988 Nov;85(21):8091-3. doi: 10.1073/pnas.85.21.8091.Proc Natl Acad Sci U S A. 1988.PMID: 3186711Free PMC article.
Yu Q, Grammatikakis N, Toole BP.Yu Q, et al. Among authors: toole bp.Dev Dyn. 1996 Oct;207(2):204-14. doi: 10.1002/(SICI)1097-0177(199610)207:2<204::AID-AJA8>3.0.CO;2-L.Dev Dyn. 1996.PMID: 8906423Free article.