Characteristics of clinical trial websites: information distribution between ClinicalTrials.gov and 13 primary registries in the WHO registry network

Characteristics of Clinical Trials Registered in ClinicalTrials.gov, 2007-2010

(2012) Robert M. Califf   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Open-access clinical trial registries: the Italian scenario

(2012) Paola Mosconi et al.   Trials

Adding value to clinical trial registries: insights from Australian Cancer Trials Online, a website for consumers

(2011) Rachel Dear et al.   Clinical Trials

The ClinicalTrials.gov Results Database — Update and Key Issues

(2011) Deborah A. Zarin et al.   NEW ENGLAND JOURNAL OF MEDICINE

The Brustkrebs-Studien.de website for breast cancer patients: User acceptance of a German internet portal offering information on the disease and treatment options, and a clinical trials matching service

(2010) Markus Wallwiener et al.   BMC CANCER

Reporting “Basic Results” in ClinicalTrials.gov

(2009) Tony Tse et al.   CHEST

Update on Registration of Clinical Trials in ClinicalTrials.gov

(2009) Tony Tse et al.   CHEST

National and multinational prospective trial registers

(2008) Liesl Grobler et al.   LANCET