Severe gastrointestinal bleeding due to erlotinib and celecoxib therapy: additional effect?. Italian Journal of Medicine, [S. l.], v. 11, n. 1, p. 75–77, 2016. DOI: 10.4081/itjm.2016.689. Disponível em: https://www.italjmed.org/ijm/article/view/itjm.2016.689. Acesso em: 2 jul. 2025.