Sheehan NA - Search Results

1

Instrumental variable estimation of causal risk ratios and causal odds ratios in Mendelian randomization analyses.

Palmer TM, Sterne JA, Harbord RM, Lawlor DA, Sheehan NA, Meng S, Granell R, Smith GD, Didelez V. Palmer TM, et al. Among authors: sheehan na. Am J Epidemiol. 2011 Jun 15;173(12):1392-403. doi: 10.1093/aje/kwr026. Epub 2011 May 9. Am J Epidemiol. 2011. PMID: 21555716

2

Mendelian randomization as an instrumental variable approach to causal inference.

Didelez V, Sheehan N. Didelez V, et al. Stat Methods Med Res. 2007 Aug;16(4):309-30. doi: 10.1177/0962280206077743. Stat Methods Med Res. 2007. PMID: 17715159 Review.

3

Adjusting for bias and unmeasured confounding in Mendelian randomization studies with binary responses.

Palmer TM, Thompson JR, Tobin MD, Sheehan NA, Burton PR. Palmer TM, et al. Among authors: sheehan na. Int J Epidemiol. 2008 Oct;37(5):1161-8. doi: 10.1093/ije/dyn080. Epub 2008 May 7. Int J Epidemiol. 2008. PMID: 18463132

4

Using multiple genetic variants as instrumental variables for modifiable risk factors.

Palmer TM, Lawlor DA, Harbord RM, Sheehan NA, Tobias JH, Timpson NJ, Davey Smith G, Sterne JA. Palmer TM, et al. Among authors: sheehan na. Stat Methods Med Res. 2012 Jun;21(3):223-42. doi: 10.1177/0962280210394459. Epub 2011 Jan 7. Stat Methods Med Res. 2012. PMID: 21216802 Free PMC article.

5

Commentary: Can 'many weak' instruments ever be 'strong'?

Sheehan NA, Didelez V. Sheehan NA, et al. Int J Epidemiol. 2011 Jun;40(3):752-4. doi: 10.1093/ije/dyr017. Epub 2011 Feb 9. Int J Epidemiol. 2011. PMID: 21310719 No abstract available.

6

Re: "credible mendelian randomization studies: approaches for evaluating the instrumental variable assumptions".

Palmer TM, Ramsahai RR, Lawlor DA, Sheehan NA, Didelez V. Palmer TM, et al. Among authors: sheehan na. Am J Epidemiol. 2012 Sep 1;176(5):457-8; author reply 458. doi: 10.1093/aje/kws250. Epub 2012 Jul 31. Am J Epidemiol. 2012. PMID: 22850793 No abstract available.

7

Severity of bias of a simple estimator of the causal odds ratio in Mendelian randomization studies.

Harbord RM, Didelez V, Palmer TM, Meng S, Sterne JA, Sheehan NA. Harbord RM, et al. Among authors: sheehan na. Stat Med. 2013 Mar 30;32(7):1246-58. doi: 10.1002/sim.5659. Epub 2012 Oct 18. Stat Med. 2013. PMID: 23080538

8

Correcting the Standard Errors of 2-Stage Residual Inclusion Estimators for Mendelian Randomization Studies.

Palmer TM, Holmes MV, Keating BJ, Sheehan NA. Palmer TM, et al. Among authors: sheehan na. Am J Epidemiol. 2017 Nov 1;186(9):1104-1114. doi: 10.1093/aje/kwx175. Am J Epidemiol. 2017. PMID: 29106476 Free PMC article.

9

Improving the accuracy of two-sample summary-data Mendelian randomization: moving beyond the NOME assumption.

Bowden J, Del Greco M F, Minelli C, Zhao Q, Lawlor DA, Sheehan NA, Thompson J, Davey Smith G. Bowden J, et al. Among authors: sheehan na. Int J Epidemiol. 2019 Jun 1;48(3):728-742. doi: 10.1093/ije/dyy258. Int J Epidemiol. 2019. PMID: 30561657 Free PMC article.

10

Mendelian randomisation: a tool for assessing causality in observational epidemiology.

Sheehan NA, Meng S, Didelez V. Sheehan NA, et al. Methods Mol Biol. 2011;713:153-66. doi: 10.1007/978-1-60327-416-6_12. Methods Mol Biol. 2011. PMID: 21153618

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