Wen-Yaw Chung Mao-Hsiang Yeh Jia-Chyi Chen Shen-Kan Hsiung Dorota G. Pijanowska Wladyslaw Torbicz Jung-Chuan Chou Tai-Ping Sun Design of a Low-voltage Instrumentation Amplifier for Enzyme-Extended-Gate Field Effect Transistor Based Urea Sensor Application. 177-180 2002 conf/delta/2002 DELTA http://doi.ieeecomputersociety.org/10.1109/DELTA.2002.994610 db/conf/delta/delta2002.html#ChungYCHPTCS02