Referencias
Goldman L, Ausiello D. Cecil Textbook of Medicine. 22nd ed. Philadelphia, Pa:Saunders, 2003.
Rakel RE. Textbook of Family Practice. 5th ed. Philadelphia, Pa:Saunders, 2001.
Pinto BM, Rabin C, Farrell N. Lifestyle and coronary heart disease prevention. Prim Care. December 2005;32:947-961.