-. The Journal of the American Medical Association Vol. 116, No. 14, April 5. American Medical Association.
Dyfyniad Arddull Chicago-. The Journal of the American Medical Association Vol. 116, No. 14, April 5. American Medical Association.
Dyfyniad MLA-. The Journal of the American Medical Association Vol. 116, No. 14, April 5. American Medical Association.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.