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Evidence-based clinical practice: Overview of threats to the validity of evidence and how to minimise them.

M. Eikermann, R. Banzi, C. Szmigielski, 2016, European journal of internal medicine.

Specific barriers to the conduct of randomised clinical trials on medical devices

D. Pieper, M. Eikermann, A. Rath, 2017, Trials.

Clinical study protocol for a low-interventional study in intermediate age-related macular degeneration developing novel clinical endpoints for interventional clinical trials with a regulatory and patient access intention—MACUSTAR

C. Wojek, A. Charil, J. Brazier, 2020, Trials.

Evidence-based clinical practice: Overview of threats to the validity of evidence and how to minimise them.

Christian Gluud, Jørn Wetterslev, Ana Rath, 2016, European journal of internal medicine.

EVICR. net. European Network of Clinical Research in Ophthalmology. Information Update - June 2017

C. Martinho, D. Fernandes, 2017, Ophthalmic Research.

Challenges, facilitators and barriers to screening study participants in early disease stages-experience from the MACUSTAR study

C. Wojek, A. Charil, J. Brazier, 2021, BMC Medical Research Methodology.