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Dyfyniad Arddull ChicagoBrahme, Folke. Studies on Crohn's Disease: Epidemiology, Roentgenology of the Colon, Angiology, and Angiography. Malmö, [Sweden: s.n.], 1975.
Dyfyniad MLABrahme, Folke. Studies on Crohn's Disease: Epidemiology, Roentgenology of the Colon, Angiology, and Angiography. s.n.], 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.