TY - RPRT TI - Screening for sinus node dysfunction by analysis of short-term sinus cycle variations on the surface electrocardiogram. AU - L Bergfeldt AU - M Rosenqvist AU - H Vallin AU - R Nordlander AU - H Aström PY - 1995 DO - 10.1016/0002-8703(95)90249-x UR - https://pubmed.ncbi.nlm.nih.gov/7611105/ ID - 7611105 ER -