Rule-based natural language processing to examine variation in worsening heart failure hospitalizations by age, sex, race and ethnicity, and left ventricular ejection fraction

Matheny ME, Carpenter-Song E, Ricket IM, Solomon RJ, Stabler ME, Davis SE, Zubkoff L, Westerman DM, Dorn C, Cox KC, Minter FF, Jneid H, Currier[...]

Ghannam H, Singh V, Warner AL, Powell A, Gelzer Bell R, Chow K, Braswell KD, Hearns R, Aggarwal V, Roy C, Stoehr D, Guzman-Clark J,[...]

Hanna P, Hoover DB, Kirkland LG, Smith EH, Poston MD, Peirce SG, Garbe CG, Cha S, Mori S, Brennan JA, Armour JA, Rytkin E, Efimov[...]