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

Edit custom filters

Results by year

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

Year Number of Results
1979 1
1983 1
1989 1
1990 2
1994 1
1995 2
1996 2
1999 1
2000 2
2001 1
2004 1
2006 3
2007 1
2008 1
2009 1
2010 2
2011 2
2012 6
2013 4
2014 10
2015 7
2016 1
2017 4
2018 1
2019 3
2020 4
2021 4
2022 1
2023 2
2025 2
2026 8

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

76 results

Results by year

Filters applied: . Clear all
Page 1
Vaccine Special Issue on Vaccine Hesitancy.
Hickler B, Guirguis S, Obregon R. Hickler B, et al. Among authors: obregon r. Vaccine. 2015 Aug 14;33(34):4155-6. doi: 10.1016/j.vaccine.2015.04.034. Epub 2015 Apr 18. Vaccine. 2015. PMID: 25896381 Free article. No abstract available.
Safeguarding quality in health and medical science information today.
Ratzan SC, Ivic RK, Rabin KH, Parker RM, Rubinelli S, Obregon R, Gostin LO, Baker MG, Thomas S, Nutbeam D, Kickbusch I, Payne JG, Ihekweazu V, McCafery KJ, Street RL, Copper SC. Ratzan SC, et al. Among authors: obregon r. Patient Educ Couns. 2026 Sep;150:109695. doi: 10.1016/j.pec.2026.109695. Epub 2026 May 26. Patient Educ Couns. 2026. PMID: 42235364 No abstract available.
Safeguarding Quality in Health and Medical Science Information Today.
Ratzan SC, Ivic RK, Rabin KH, Parker RM, Rubinelli S, Obregon R, Gostin LO, Baker MG, Thomas S, Nutbeam D, Kickbusch I, Payne JG, Ihekweazu V, McCaffery KJ, Street RL, Cooper SC. Ratzan SC, et al. Among authors: obregon r. J Med Econ. 2026 Dec;29(1):1130-1133. doi: 10.1080/13696998.2026.2655380. Epub 2026 Apr 10. J Med Econ. 2026. PMID: 41960918 Free article. No abstract available.
Safeguarding Quality in Health and Medical Science Information Today.
Ratzan SC, Ivic RK, Rabin KH, Parker RM, Rubinelli S, Obregon R, Gostin LO, Baker MG, Thomas S, Nutbeam D, Kickbusch I, Gregory Payne J, Ihekweazu V, McCaffery KJ, Street RL, Cooper SC. Ratzan SC, et al. Among authors: obregon r. J Health Commun. 2026 Apr 8:1-3. doi: 10.1080/10810730.2026.2655422. Online ahead of print. J Health Commun. 2026. PMID: 41949571 No abstract available.
Safeguarding Quality in Health and Medical Science Information Today.
Ratzan SC, Ivic RK, Rabin KH, Parker RM, Rubinelli S, Obregon R, Gostin LO, Baker MG, Thomas S, Nutbeam D, Kickbusch I, Gregory Payne J, Ihekweazu V, McCaffery KJ, Street RL, Cooper SC. Ratzan SC, et al. Among authors: obregon r. Postgrad Med. 2026 Apr 9:1-3. doi: 10.1080/00325481.2026.2655398. Online ahead of print. Postgrad Med. 2026. PMID: 41958119 No abstract available.
Systems Thinking for Public Health: A Case Study Using U.S. Public Education.
Ashby E, Minicucci C, Liao J, Buonsenso D, González-Dambrauskas S, Obregón R, Zahn M, Hallman W, John C. Ashby E, et al. Among authors: obregon r. NAM Perspect. 2023 Nov 7;2023:10.31478/202311a. doi: 10.31478/202311a. eCollection 2023. NAM Perspect. 2023. PMID: 38784633 Free PMC article. Review. No abstract available.
Spotlight: Morocco.
Obregon R. Obregon R. Popul Today. 1995 Apr;23(4):7. Popul Today. 1995. PMID: 12319247
Community Engagement and the Communication Response to Ebola.
Storey JD, Chitnis K, Obregon R, Garrison K. Storey JD, et al. Among authors: obregon r. J Health Commun. 2017;22(sup1):2-4. doi: 10.1080/10810730.2017.1283200. J Health Commun. 2017. PMID: 28854133 Free article. No abstract available.
Behavioural and social science research opportunities.
Carrasco MA, Mickler AK, Young R, Atkins K, Rosen JG, Obregon R. Carrasco MA, et al. Among authors: obregon r. Bull World Health Organ. 2021 Nov 1;99(11):834-836. doi: 10.2471/BLT.20.285370. Epub 2021 Aug 31. Bull World Health Organ. 2021. PMID: 34737476 Free PMC article. No abstract available.
Applications of carbon nanotubes in stem cell research.
Ramón-Azcón J, Ahadian S, Obregón R, Shiku H, Ramalingam M, Matsue T. Ramón-Azcón J, et al. Among authors: obregon r. J Biomed Nanotechnol. 2014 Oct;10(10):2539-61. doi: 10.1166/jbn.2014.1899. J Biomed Nanotechnol. 2014. PMID: 25992408 Review.
76 results