Patient enrollment and logistical problems top the list of difficulties in clinical research: a cross-sectional survey
Crossref DOI link: https://doi.org/10.1186/s12874-016-0151-1
Published Online: 2016-05-04
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Cullati, Stéphane
Courvoisier, Delphine S.
Gayet-Ageron, Angèle
Haller, Guy
Irion, Olivier
Agoritsas, Thomas
Rudaz, Sandrine
Perneger, Thomas V.