ArticleFolia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics (IALP)2026

Accuracy of Balloons and Handheld Spirometers as Low-Cost Tools for Measuring Vital Capacity and Air Volume: A Laboratory-Based Validation Study.

James A Curtis et al.PubMed ↗Full text ↗Publisher ↗

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