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Best matches for ethics AND sample size:

How sample size influences research outcomes. Faber J et al. Dental Press J Orthod. (2014)

Sample size verification for clinical trials. Shuster JJ et al. Clin Transl Sci. (2014)

[On the impact of sample size calculation and power in clinical research]. Held U et al. Praxis (Bern 1994). (2014)

Search results

Items: 1 to 20 of 823


Study protocol: quantitative fibronectin to help decision-making in women with symptoms of preterm labour (QUIDS) part 2, UK Prospective Cohort Study.

Stock SJ, Wotherspoon LM, Boyd KA, Morris RK, Dorling J, Jackson L, Chandiramani M, David AL, Khalil A, Shennan A, Hodgetts Morton V, Lavender T, Khan K, Harper-Clarke S, Mol B, Riley RD, Norrie J, Norman J.

BMJ Open. 2018 Apr 19;8(4):e020795. doi: 10.1136/bmjopen-2017-020795.


Protocol of a Multicenter International Randomized Controlled Manikin Study on Different Protocols of Cardiopulmonary Resuscitation for laypeople (MANI-CPR).

Baldi E, Contri E, Burkart R, Borrelli P, Ferraro OE, Tonani M, Cutuli A, Bertaia D, Iozzo P, Tinguely C, Lopez D, Boldarin S, Deiuri C, Dénéréaz S, Dénéréaz Y, Terrapon M, Tami C, Cereda C, Somaschini A, Cornara S, Cortegiani A.

BMJ Open. 2018 Apr 19;8(4):e019723. doi: 10.1136/bmjopen-2017-019723.


Phase IV Studies: Some Insights, Clarifications, And Issues.

Biganzoli EM, Cesana BM.

Curr Clin Pharmacol. 2018 Apr 12. doi: 10.2174/1574884713666180412152949. [Epub ahead of print]


Oral paracetamol versus oral ibuprofen for closure of haemodynamically significant patent ductus arteriosus in preterm neonates (<32 weeks): a blinded, randomised, active-controlled, non-inferiority trial.

Kumar A, Sundaram V, Yadav R, Oleti TP, Murki S, Krishna A, Sundaram M, Saini SS, Dutta S.

BMJ Paediatr Open. 2017 Aug 11;1(1):e000143. doi: 10.1136/bmjpo-2017-000143. eCollection 2017.


Ensuring reproducibility and ethics in animal experiments reporting in Korea using the ARRIVE guideline.

Nam MH, Chun MS, Seong JK, Kim HG.

Lab Anim Res. 2018 Mar;34(1):11-19. doi: 10.5625/lar.2018.34.1.11. Epub 2018 Mar 22.


Preclinical efficacy studies in investigator brochures: Do they enable risk-benefit assessment?

Wieschowski S, Chin WWL, Federico C, Sievers S, Kimmelman J, Strech D.

PLoS Biol. 2018 Apr 5;16(4):e2004879. doi: 10.1371/journal.pbio.2004879. eCollection 2018 Apr.


Invasive urodynamic testing prior to surgical treatment for stress urinary incontinence in women: cost-effectiveness and value of information analyses in the context of a mixed methods feasibility study.

Homer T, Shen J, Vale L, McColl E, Tincello DG, Hilton P; INVESTIGATE-I studies group.

Pilot Feasibility Stud. 2018 Mar 23;4:67. doi: 10.1186/s40814-018-0255-y. eCollection 2018.


Zymosan attenuates melanoma growth progression, increases splenocyte proliferation and induces TLR-2/4 and TNF-α expression in mice.

Taghavi M, Mortaz E, Khosravi A, Vahedi G, Folkerts G, Varahram M, Kazempour-Dizaji M, Garssen J, Adcock IM.

J Inflamm (Lond). 2018 Mar 22;15:5. doi: 10.1186/s12950-018-0182-y. eCollection 2018.


Enhancing condom use experiences among young men to improve correct and consistent condom use: feasibility of a home-based intervention strategy (HIS-UK).

Stone N, Graham C, Anstee S, Brown K, Newby K, Ingham R.

Pilot Feasibility Stud. 2018 Mar 7;4:63. doi: 10.1186/s40814-018-0257-9. eCollection 2018.


Randomised controlled trial protocol to evaluate a fixed dose prothrombin complex concentrate against the variable dose in vitamin K antagonist related bleeding (PROPER3).

Abdoellakhan RA, Khorsand N, Van Hest RM, Veeger N, Ter Avest E, Ypma PF, Faber LM, Meijer K.

BMJ Open. 2018 Mar 14;8(3):e020764. doi: 10.1136/bmjopen-2017-020764.


Does modifying the timing of meal intake improve cardiovascular risk factors? Protocol of an Australian pilot intervention in night shift workers with abdominal obesity.

Bonham MP, Leung GKW, Davis R, Sletten TL, Murgia C, Young MJ, Eikelis N, Lambert EA, Huggins CE.

BMJ Open. 2018 Mar 14;8(3):e020396. doi: 10.1136/bmjopen-2017-020396.


Improvements in Depression and Mental Health After Acceptance and Commitment Therapy are Related to Changes in Defusion and Values-Based Action.

Bramwell K, Richardson T.

J Contemp Psychother. 2018;48(1):9-14. doi: 10.1007/s10879-017-9367-6. Epub 2017 Sep 2.


Systematic review and meta-analysis of global birth prevalence of clubfoot: a study protocol.

Ansar A, Rahman AE, Romero L, Haider MR, Rahman MM, Moinuddin M, Siddique MAB, Mamun MA, Mazumder T, Pirani SP, Mathias RG, Arifeen SE, Hoque DME.

BMJ Open. 2018 Mar 6;8(3):e019246. doi: 10.1136/bmjopen-2017-019246.


Risk and surrogate benefit for pediatric Phase I trials in oncology: A systematic review with meta-analysis.

Waligora M, Bala MM, Koperny M, Wasylewski MT, Strzebonska K, Jaeschke RR, Wozniak A, Piasecki J, Sliwka A, Mitus JW, Polak M, Nowis D, Fergusson D, Kimmelman J.

PLoS Med. 2018 Feb 20;15(2):e1002505. doi: 10.1371/journal.pmed.1002505. eCollection 2018 Feb.


Embodiment of social roles and thinness as a form of capital: A qualitative approach towards understanding female obesity disparities in Chile.

Robinovich J, Ossa X, Baeza B, Krumeich A, van der Borne B.

Soc Sci Med. 2018 Mar;201:80-86. doi: 10.1016/j.socscimed.2018.02.006. Epub 2018 Feb 10.


School-based lifestyle education involving parents for reducing subjective psychosomatic symptoms in Japanese adolescents: study protocol for a cluster randomised controlled trial.

Watanabe J, Watanabe M, Yamaoka K, Adachi M, Nemoto A, Tango T.

BMJ Open. 2018 Feb 16;8(2):e018938. doi: 10.1136/bmjopen-2017-018938.


Outcomes comparison of different surgical strategies for the management of severe aortic valve stenosis: study protocol of a prospective multicentre European registry (E-AVR registry).

Onorati F, Gherli R, Mariscalco G, Girdauskas E, Quintana E, Santini F, De Feo M, Sponga S, Tozzi P, Bashir M, Perrotti A, Pappalardo A, Ruggieri VG, Santarpino G, Rinaldi M, Ronaldo S, Nicolini F; E-AVR Collaborators.

BMJ Open. 2018 Feb 10;8(2):e018036. doi: 10.1136/bmjopen-2017-018036.

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