Repeated doses of sucrose schedule for pain relieving in preterm neonates: a randomized and double blind study - Linhares, Maria Beatriz Martins; Gaspardo, Cláudia Maria; Miyase, Cátia I.; Chimello, Juliana Thomazatti; Klein, Vivian C.; Cugler, Thais S.; Martinez, Francisco Eulógio (World Congress on Pain, 2005)