SEETHARAMA, S. Human Disease:Depth Classification Version of CC. Journal of Information and Knowledge, [S. l.], v. 8, n. 4, p. 335–368, 1971. DOI: 10.17821/srels/1971/v8i4/49187. Disponível em: https://srels.org/index.php/sjim/article/view/49187. Acesso em: 19 apr. 2025.