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
2005 1
2006 1
2010 1
2011 3
2012 3
2013 1
2016 1
2019 1
2020 2
2021 1
2022 1
2023 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

16 results

Results by year

Filters applied: . Clear all
Page 1
School-based physical activity interventions: challenges and pitfalls.
Buchan DS, Ollis S, Thomas NE, Malina RM, Baker JS. Buchan DS, et al. Among authors: ollis s. Child Care Health Dev. 2012 Jan;38(1):1-2. doi: 10.1111/j.1365-2214.2011.01258.x. Epub 2011 Jun 8. Child Care Health Dev. 2012. PMID: 21651611 No abstract available.
Psychometric performance of the Primary Mitochondrial Myopathy Symptom Assessment (PMMSA) in a randomized, double-blind, placebo-controlled crossover study in subjects with mitochondrial disease.
Gwaltney C, Stokes J, Aiudi A, Mazar I, Ollis S, Love E, Karaa A, Houts CR, Wirth RJ, Shields AL. Gwaltney C, et al. Among authors: ollis s. J Patient Rep Outcomes. 2022 Dec 23;6(1):129. doi: 10.1186/s41687-022-00534-y. J Patient Rep Outcomes. 2022. PMID: 36562873 Free PMC article.
Content Validity and Psychometric Evaluation of the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue) in Patients with Crohn's Disease and Ulcerative Colitis.
Loftus EV Jr, Ananthakrishnan AN, Lee WJ, Gonzalez YS, Fitzgerald KA, Wallace K, Zhou W, Litcher-Kelly L, Ollis SB, Su S, Danese S. Loftus EV Jr, et al. Among authors: ollis sb. Pharmacoecon Open. 2023 Sep;7(5):823-840. doi: 10.1007/s41669-023-00419-w. Epub 2023 Jun 9. Pharmacoecon Open. 2023. PMID: 37296268 Free PMC article.
Physical activity interventions: effects of duration and intensity.
Buchan DS, Ollis S, Thomas NE, Buchanan N, Cooper SM, Malina RM, Baker JS. Buchan DS, et al. Among authors: ollis s. Scand J Med Sci Sports. 2011 Dec;21(6):e341-50. doi: 10.1111/j.1600-0838.2011.01303.x. Epub 2011 Apr 25. Scand J Med Sci Sports. 2011. PMID: 21518010 Clinical Trial.
16 results