Piper, P. J., & Krell, R. D. Advances in the understanding and treatment of asthma.
Cita Chicago (17th ed.)Piper, Priscilla J., i Robert D. Krell. Advances in the Understanding and Treatment of Asthma.
Cita MLA (8th ed.)Piper, Priscilla J., i Robert D. Krell. Advances in the Understanding and Treatment of Asthma.
Atenció: Aquestes cites poden no estar 100% correctes.