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
1976 1
1977 2
1978 1
1979 1
1981 4
1982 3
1983 3
1984 2
1986 1
2008 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

19 results

Results by year

Filters applied: . Clear all
Page 1
Codeine kinetics as determined by radioimmunoassay.
Findlay JW, Butz RF, Welch RM. Findlay JW, et al. Among authors: butz rf. Clin Pharmacol Ther. 1977 Oct;22(4):439-46. doi: 10.1002/cpt1977224439. Clin Pharmacol Ther. 1977. PMID: 902456
Codeine disposition in smokers and nonsmokers.
Rogers JF, Findlay JW, Hull JH, Butz RF, Jones EC, Bustrack JA, Welch RM. Rogers JF, et al. Among authors: butz rf. Clin Pharmacol Ther. 1982 Aug;32(2):218-27. doi: 10.1038/clpt.1982.151. Clin Pharmacol Ther. 1982. PMID: 7094509
19 results