Rajakumar K. , Weisse M., Rosas A., et al. Comparative study of clinical evaluation of heart murmurs by general pediatricians and pediatric cardiologists. Clin Pediatr.1999 ;38:511-518.
2.
Newburger JW , Rosenthal A., Williams RG, et al. Noninvasive tests in the initial evaluation of heart murmurs in children. N Engl J Med.1983;308: 61-64.
3.
Smythe JF, Mad P., Demer PP, et al. Initial evaluation of heart murmur: are laboratory tests necessary?Pediatrics. 1990;86:497-500.
4.
McCrindle BW , Shaffer KM, Kan JS, et al. Cardinal clinical signs in the differentiation of heart murmurs in children. Arch Pediatr Adolesc Med.1996;150:169-174.
5.
Danford DA, Nasir A., Gumbiner C.Assessment of the evaluation of heart murmur in children. Pediatrics. 1993; 91:365-368.
