Digital questionnaire platform in the Danish Blood Donor Study.
K. S. BurgdorfN. FelstedS. MikkelsenM. H. NielsenL. W. ThørnerO. B. PedersenE. SørensenK. R. NielsenM. T. BruunT. WergeC. ErikstrupT. HansenH. UllumPublished in: Comput. Methods Programs Biomed. (2016)