Gudnadóttir, A. Ý., Ólafsdóttir, I. S., Middelveld, R., Ekerljung, L., Forsberg, B., Franklin, K., . . . Janson, C. (2017). An investigation on the use of snus and its association with respiratory and sleep-related symptoms: A cross-sectional population study. BMJ Open.
Citação norma ChicagoGudnadóttir, Arna Ýr, Inga Sif Ólafsdóttir, Roelinde Middelveld, Linda Ekerljung, Bertil Forsberg, Karl Franklin, Eva Lindberg, and Christer Janson. "An Investigation On the Use of Snus and Its Association With Respiratory and Sleep-related Symptoms: A Cross-sectional Population Study." BMJ Open 2017.
Citação norma MLAGudnadóttir, Arna Ýr, et al. "An Investigation On the Use of Snus and Its Association With Respiratory and Sleep-related Symptoms: A Cross-sectional Population Study." BMJ Open 2017.