TY - RPRT TI - Sinus node function in children. Factors influencing its evaluation. AU - S M Yabek AU - J M Jarmakani AU - N K Roberts PY - 1976 DO - 10.1161/01.cir.53.1.28 UR - https://pubmed.ncbi.nlm.nih.gov/1244251/ ID - 1244251 ER -