Szczepan, S., Danek, N., Michalik, K., Wróblewska, Z., & Zatoń, K. (2020). Influence of a Six-Week Swimming Training with Added Respiratory Dead Space on Respiratory Muscle Strength and Pulmonary Function in Recreational Swimmers. Int J Environ Res Public Health.

Szczepan, Stefan, Natalia Danek, Kamil Michalik, Zofia Wróblewska, et Krystyna Zatoń. "Influence of a Six-Week Swimming Training With Added Respiratory Dead Space On Respiratory Muscle Strength and Pulmonary Function in Recreational Swimmers." Int J Environ Res Public Health 2020.

Szczepan, Stefan, et al. "Influence of a Six-Week Swimming Training With Added Respiratory Dead Space On Respiratory Muscle Strength and Pulmonary Function in Recreational Swimmers." Int J Environ Res Public Health 2020.