The number of studies with available phylogenetic data---as tree files, alignments files or both procured either from online archives or by direct request---organized by year of publication (barplot).
The Maine Dataverse Network is a cloud-based data repository intended to act as a long-term archive and to facilitate data sharing among the research community in accordance with NSF, NIH, NASA and ot
"The majority of US phase 3 trials were retrospectively registered. Only three out of ten studies that were completed before January 2011 have results available, data was submitted to ClinicalTrials.g