TY - RPRT TI - [The effect of drugs on "sino-atrial conduction time" and on sinus-node automaticity in man]. AU - G Breithardt AU - L Seipel AU - E Höhfeld AU - A Both AU - F Loogen PY - 1975 UR - https://pubmed.ncbi.nlm.nih.gov/56094/ ID - 56094 ER -