Rafiq, R., Aleva, F. E., Schrumpf, J. A., Heijdra, Y. F., Taube, C., Daniels, J. M., . . . de Jongh, R. T. (2015). Prevention of exacerbations in patients with COPD and vitamin D deficiency through vitamin D supplementation (PRECOVID): A study protocol. BMC Pulm Med.
Citação norma ChicagoRafiq, Rachida, et al. "Prevention of Exacerbations in Patients With COPD and Vitamin D Deficiency Through Vitamin D Supplementation (PRECOVID): A Study Protocol." BMC Pulm Med 2015.
Citação norma MLARafiq, Rachida, et al. "Prevention of Exacerbations in Patients With COPD and Vitamin D Deficiency Through Vitamin D Supplementation (PRECOVID): A Study Protocol." BMC Pulm Med 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.