Breath-based stratification of asthma severity using the MISTRAL platform with integrated H<sub>2</sub>S sensor and clinical validation.

In early-stage disease, levels negatively correlated with maximal expiratory flow MEF , with a similar trend for MEF , whereas in severe asthma, positive but not fully statistically significant correlations emerged with FEV /FVC ratio, and vital capacity VC.

also in 17 other papers