Derbes, V. d. P. J., & Engelhardt, H. T. (1946). The treatment of bronchial asthma. Lippincott.
Dyfyniad Arddull ChicagoDerbes, Vincent de Paul Joseph, and Hugo Tristram Engelhardt. The Treatment of Bronchial Asthma. Philadelphia: Lippincott, 1946.
Dyfyniad MLADerbes, Vincent de Paul Joseph, and Hugo Tristram Engelhardt. The Treatment of Bronchial Asthma. Lippincott, 1946.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.