Katharina Wollmann

Nonregistration, discontinuation, and nonpublication of randomized trials: A repeated metaresearch analysis

Benjamin Speich, Dmitry Gryaznov, Jason W. Busse et al. · PLoS Medicine · 2022 · 60 citations · Full text

Result dissemination from clinical trials conducted at German university medical centers was delayed and incomplete

Susanne Wieschowski, Nico Riedel, Katharina Wollmann et al. · Journal of Clinical Epidemiology · 2019 · 57 citations

Clinical Effectiveness, Clinical Trial Management, Clinical Endpoint +10

The information needs of internet users and their requirements for online health information—A scoping review of qualitative and quantitative studies

Katharina Wollmann, Piet van der Keylen, Johanna Tomandl et al. · Patient Education and Counseling · 2021 · 40 citations

Health Systems, Health Policy, Ehr Systems +13

Investigator initiated trials versus industry sponsored trials - translation of randomized controlled trials into clinical practice (IMPACT)

Anette Blümle, Katharina Wollmann, Karin Bischoff et al. · BMC Medical Research Methodology · 2021 · 22 citations · Full text

Reporting quality of clinical trial protocols: a repeated cross-sectional study about the Adherence to SPIrit Recommendations in Switzerland, CAnada and GErmany (ASPIRE-SCAGE)

Dmitry Gryaznov, Belinda von Niederhäusern, Benjamin Speich et al. · BMJ Open · 2022 · 19 citations · Full text