Annotation of epilepsy clinic letters for natural language processing. - Beata Fonferko-Shadrach; Huw Strafford; Carys Jones; Russell A. Khan; Sharon Brown; Jenny Edwards; Jonathan Hawken; Luke E. Shrimpton; Catharine P. White; Robert Powell; Inder M. S. Sawhney; William Owen Pickrell; et al. (J. Biomed. Semant., 2024)