Robust Fetal Heart Beat Detection via R-Peak Intervals Distribution. - Chen Lin 004; Hui-Ming Yeh; Men-Tzung Lo; Chien-Hung Yeh; Cheng-Yen Wang; Wenbin Shi; Bess Ma F. Serafico; Chen-Hsu Wang; Chung-Hau Juan; Hsu-Wen Vincent Young; Yenn-Jiang Lin (IEEE Trans. Biomed. Eng., 2019)