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.
Olds-Clarke P, Johnson LR.Olds-Clarke P, et al. Among authors: johnson lr.Dev Biol. 1993 Jan;155(1):14-25. doi: 10.1006/dbio.1993.1002.Dev Biol. 1993.PMID: 8416830
Visconti PE, Johnson LR, Oyaski M, Fornés M, Moss SB, Gerton GL, Kopf GS.Visconti PE, et al. Among authors: johnson lr.Dev Biol. 1997 Dec 15;192(2):351-63. doi: 10.1006/dbio.1997.8768.Dev Biol. 1997.PMID: 9441673Free article.
Philp HS, Johnson LR, Choi EA, Brosnan RJ, Slater RT.Philp HS, et al. Among authors: johnson lr.JFMS Open Rep. 2024 Jan 30;10(1):20551169231220291. doi: 10.1177/20551169231220291. eCollection 2024 Jan-Jun.JFMS Open Rep. 2024.PMID: 38299191Free PMC article.