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.

Https

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

Filters

My Custom Filters

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

1,432 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
Age-related smoking progression among adolescents in China.
Sun W, Andreeva VA, Unger JB, Conti DV, Chou CP, Palmer PH, Sun P, Johnson CA. Sun W, et al. Among authors: johnson ca. J Adolesc Health. 2006 Nov;39(5):686-93. doi: 10.1016/j.jadohealth.2006.04.023. Epub 2006 Jul 10. J Adolesc Health. 2006. PMID: 17046505
Estimating intervention effects in longitudinal studies.
Dwyer JH, MacKinnon DP, Pentz MA, Flay BR, Hansen WB, Wang EY, Johnson CA. Dwyer JH, et al. Among authors: johnson ca. Am J Epidemiol. 1989 Oct;130(4):781-95. doi: 10.1093/oxfordjournals.aje.a115399. Am J Epidemiol. 1989. PMID: 2773920
1,432 results