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.
Ferguson JE, Schor AM, Howell A, Ferguson MW.Ferguson JE, et al. Among authors: howell a.Cell Tissue Res. 1992 Apr;268(1):167-77. doi: 10.1007/BF00338066.Cell Tissue Res. 1992.PMID: 1499048
Ferguson JE, Schor AM, Howell A, Ferguson MW.Ferguson JE, et al. Among authors: howell a.Differentiation. 1990 Feb;42(3):199-207. doi: 10.1111/j.1432-0436.1990.tb00762.x.Differentiation. 1990.PMID: 1692795
Smith DB, Howell A, Wagstaff J.Smith DB, et al. Among authors: howell a.Eur J Cancer Clin Oncol. 1987 Jul;23(7):979-82. doi: 10.1016/0277-5379(87)90344-0.Eur J Cancer Clin Oncol. 1987.PMID: 2822427