Sloan, A.; Hussain, I.; Maqsood, M.; Eremin, O.; El-Sheemy, M. (2010). «The effects of smoking on fracture healing». The Surgeon8 (2): 111-6. PMID20303894. doi:10.1016/j.surge.2009.10.014.
Sheen, Jonathon R.; Garla, Vishnu V. (2021). StatPearls. StatPearls Publishing. Consultado el 6 de marzo de 2021.
Sloan, A.; Hussain, I.; Maqsood, M.; Eremin, O.; El-Sheemy, M. (2010). «The effects of smoking on fracture healing». The Surgeon8 (2): 111-6. PMID20303894. doi:10.1016/j.surge.2009.10.014.