Marrett, L. D., Northrup, D. A., Pichora, E. C., Spinks, M. T., & Rosen, C. F. (2010). The Second National Sun Survey: Overview and Methods. Can J Public Health.
Citação norma ChicagoMarrett, Loraine D., David A. Northrup, Erin C. Pichora, Michael T. Spinks, and Cheryl F. Rosen. "The Second National Sun Survey: Overview and Methods." Can J Public Health 2010.
Deismireacht MLAMarrett, Loraine D., et al. "The Second National Sun Survey: Overview and Methods." Can J Public Health 2010.
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