Rate control and sinus rhythm maintenance in atrial fibrillation: national trends in medication use, 1980-1996.
Stafford RS, Robson DC, Misra B, Ruskin J, Singer DE. Rate control and sinus rhythm maintenance in atrial fibrillation: national trends in medication use, 1980-1996. Arch Intern Med. 1998 Oct 26; 158(19):2144-8.