Inspiratory muscle training improves heart rate variability and respiratory muscle strength in obese young adults - Piangkwan Sa-nguanmoo; Sainatee Pratanaphon; Arisa Parameyong; Jitapa Chawawisuttikool; Krekwit Shinlapawittayatorn; Nipon Chattipakorn; Siriporn C. Chattipakorn (PLoS ONE, 2025)