Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page


My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1981 2
1982 1
1986 3
1987 3
1988 1
1989 2
1992 1
1993 1
1996 2
1997 1
1998 1
1999 1
2000 1
2001 3
2004 1
2005 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

25 results

Results by year

Filters applied: . Clear all
Page 1
Polymorphism of human cytochrome P-450.
Guengerich FP, Umbenhauer DR, Churchill PF, Beaune PH, Böcker R, Knodell RG, Martin MV, Lloyd RS. Guengerich FP, et al. Among authors: umbenhauer dr. Xenobiotica. 1987 Mar;17(3):311-6. doi: 10.3109/00498258709043941. Xenobiotica. 1987. PMID: 3577206
Structure and function of cytochrome P-450.
Guengerich FP, Shimada T, Umbenhauer DR, Martin MV, Misono KS, Distlerath LM, Reilly PE, Wolff T. Guengerich FP, et al. Among authors: umbenhauer dr. Adv Exp Med Biol. 1986;197:83-94. doi: 10.1007/978-1-4684-5134-4_7. Adv Exp Med Biol. 1986. PMID: 3766295 No abstract available.
Human liver mephenytoin 4'-hydroxylase cytochrome P-450 proteins and genes.
Brian WR, Ged C, Bellew TM, Srivastava PK, Bork RW, Umbenhauer DR, Lloyd RS, Guengerich FP. Brian WR, et al. Among authors: umbenhauer dr. Drug Metab Rev. 1989;20(2-4):449-65. doi: 10.3109/03602538909103552. Drug Metab Rev. 1989. PMID: 2680390 Review. No abstract available.
25 results