A Low-Power High-Input-Impedance 70-dB Gain ECG Readout System with High Interference Tolerance. - Chinnatip Ratametha; Chanoknan Buaban; Bhirawich Pholpoke; Tanachai Limpisawas; Pakorn Prasopsin; Samattachai Tepwimonpetkun; Woradorn Wattanapanitch (BioCAS, 2018)