Kowalski Tomasz & Klusiewicz Andrzej. (2023). POWERbreathe® S-Index Test - guidelines and recommendations for practitioners. Sciendo.
Chicago Style (17th ed.) CitationKowalski Tomasz and Klusiewicz Andrzej. POWERbreathe® S-Index Test - Guidelines and Recommendations for Practitioners. Sciendo, 2023.
MLA (9th ed.) CitationKowalski Tomasz and Klusiewicz Andrzej. POWERbreathe® S-Index Test - Guidelines and Recommendations for Practitioners. Sciendo, 2023.
Warning: These citations may not always be 100% accurate.