BLUMENKRANTZ, N; ASBOE-HANSEN, G. Hydroxyproline to hydroxylysine molar ratio indicates collagen type. Acta Dermato-Venereologica, [S. l.], v. 58, n. 2, p. 111–115, 1978. DOI: 10.2340/0001555558111115. Disponível em: https://medicaljournalssweden.se/actadv/article/view/17223. Acesso em: 18 jul. 2026.