@conference {424, title = {A 71\% Efficient Energy Harvesting and Power Management Unit for Sub-{\textmu}W Power Biomedical Applications}, booktitle = {2017 IEEE Biomedical Circuits and Systems Conference (BioCAS)}, year = {2017}, publisher = {IEEE}, organization = {IEEE}, address = {Turin, Italy}, author = {Abhishek Roy and Benton H. Calhoun} }