. 2021 Oct 7;10(10):e28873. doi: 10.2196/28873
©Yatharth Ranjan, Malik Althobiani, Joseph Jacob, Michele Orini, Richard JB Dobson, Joanna Porter, John Hurst, Amos A Folarin. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 07.10.2021.
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Figure 1.
Time course of symptoms and oximetry variables at exacerbation [11]. PEF: peak airflow.