@article{Helmer2011,Author = {Helmer, Axel and Lipprandt, Myriam and Frenken, Thomas and Eichelberg, Marco and Hein, Andreas},Title = {Empowering Patients through Personal Health Records: A Survey of Existing Third-Party Web-Based PHR Products},Year = {2011},Volume = {6(3)},Number = {3},Pages = {1-19},Month = {01},Isbn = {1446-4381},Booktitle = {Electronic Journal of Health Informatics},type = {article}}@COMMENT{Bibtex file generated on }