TY - GEN AU - Molenaar,P C AU - Boomsma,D I TI - Spectral analysis of twin time series designs SN - 0001-5660 PY - 1987///1217 KW - Electrocardiography KW - Heart Rate KW - Humans KW - Models, Genetic KW - Statistics as Topic KW - Twins N1 - Publication Type: Journal Article UR - https://doi.org/10.1017/s000156600000458x ER -