NLP-based Identification of Pneumonia Cases from Free-Text Radiological Reports. - Peter L. Elkin; David Froehling; Dietlind Wahner-Roedler; Brett E. Trusko; Gail Welsh; Haobo Ma; Armen X. Asatryan; Jerome I. Tokars; S. Trent Rosenbloom; Steven H. Brown (AMIA, 2008)

The Health Archetype Language (HAL-42): Interface considerations. - Peter L. Elkin; David Froehling; Dietlind Wahner-Roedler; Brett E. Trusko; Gail Welsh; S. Trent Rosenbloom; Theodore Speroff; Steven H. Brown (Int. J. Medical Informatics, 2010)