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

Year Number of Results
2010 34
2011 36
2012 36
2013 56
2014 47
2015 48
2016 39
2017 41
2018 42
2019 56
2020 45
2021 22
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482 results
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Page 1
Clinical research: A personal perspective.
Nanivadekar AS. Nanivadekar AS. Perspect Clin Res. 2017 Jan-Mar;8(1):37-40. doi: 10.4103/2229-3485.198547. Perspect Clin Res. 2017. PMID: 28194336 Free PMC article. Review.
Intention-to-treat concept: A review.
Gupta SK. Gupta SK. Perspect Clin Res. 2011 Jul;2(3):109-12. doi: 10.4103/2229-3485.83221. Perspect Clin Res. 2011. PMID: 21897887 Free PMC article.
Study designs: Part 2 - Descriptive studies.
Aggarwal R, Ranganathan P. Aggarwal R, et al. Perspect Clin Res. 2019 Jan-Mar;10(1):34-36. doi: 10.4103/picr.PICR_154_18. Perspect Clin Res. 2019. PMID: 30834206 Free PMC article.
Patient-reported outcomes: A new era in clinical research.
Deshpande PR, Rajan S, Sudeepthi BL, Abdul Nazir CP. Deshpande PR, et al. Perspect Clin Res. 2011 Oct;2(4):137-44. doi: 10.4103/2229-3485.86879. Perspect Clin Res. 2011. PMID: 22145124 Free PMC article.
482 results
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