Fritz, H. Proteinase inhibitors.
Dyfyniad Arddull ChicagoFritz, H. Proteinase Inhibitors.
Dyfyniad MLAFritz, H. Proteinase Inhibitors.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Fritz, H. Proteinase inhibitors.
Dyfyniad Arddull ChicagoFritz, H. Proteinase Inhibitors.
Dyfyniad MLAFritz, H. Proteinase Inhibitors.