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Dyfyniad Arddull ChicagoFernström, Åke I. B. Procaine Allergy with Reference to Urticaria Following Procaine Penicillin Therapy. 1962.
Dyfyniad MLAFernström, Åke I. B. Procaine Allergy with Reference to Urticaria Following Procaine Penicillin Therapy. 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.