APA aipamena

Wallden, A., Graff, P., Bryngelsson, I., Fornander, L., Wiebert, P., & Vihlborg, P. (2020). Risks of developing ulcerative colitis and Crohn’s disease in relation to silica dust exposure in Sweden: A case–control study. BMJ Open.

Chicago Style aipamena

Wallden, Albin, Pål Graff, Ing-Liss Bryngelsson, Louise Fornander, Pernilla Wiebert, and Per Vihlborg. "Risks of Developing Ulcerative Colitis and Crohn’s Disease in Relation to Silica Dust Exposure in Sweden: A Case–control Study." BMJ Open 2020.

MLA aipamena

Wallden, Albin, et al. "Risks of Developing Ulcerative Colitis and Crohn’s Disease in Relation to Silica Dust Exposure in Sweden: A Case–control Study." BMJ Open 2020.