Dyfyniad APA

Gibson, P., & Jewell, D. (1985). Sulphasalazine and derivatives, natural killer activity and ulcerative colitis.

Dyfyniad Arddull Chicago

Gibson, P., and D. Jewell. Sulphasalazine and Derivatives, Natural Killer Activity and Ulcerative Colitis. 1985.

Dyfyniad MLA

Gibson, P., and D. Jewell. Sulphasalazine and Derivatives, Natural Killer Activity and Ulcerative Colitis. 1985.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.