I. Navarro Sáez, N. Arcos Castro, M. Ramos Alarcón, and G. Aedo Inostroza, “Beyond silver nitrate: complete clinical response with topical timolol as monotherapy for umbilical granuloma.”, Eur. J. Pediat. Dermatol., vol. 36, no. 4, pp. 255-6, Oct. 2026.