Gut and Liver | Gastroenterology Council for Gut and Liver. Cambridge University Press.
Dyfyniad Arddull ChicagoGut and Liver | Gastroenterology Council for Gut and Liver. Cambridge University Press.
Dyfyniad MLAGut and Liver | Gastroenterology Council for Gut and Liver. Cambridge University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.