{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Hogan DF, Sisson DD, McVey AS.? 1998.??ECG of the month. Atrial fibrillation with respiratory-associated atrioventricular cyclical blockade in a dog.. Journal of the American Veterinary Medical Association. 213(5):610-1.\par \par }