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Dyfyniad Arddull ChicagoTrehan , Keshav. Biochemistry. 2nd ed. New Delhi: Wiley eastern Ltd, 1990.
Dyfyniad MLATrehan , Keshav. Biochemistry. 2nd ed. Wiley eastern Ltd, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.