Predictive value of chemokines (CCL 2) in bronchoalveolar lavage fluid for refractory mycoplasma pneumonia in children.

"Declarations Ethics approval and consent to participateThis study was conducted in accordance with the Declaration of Helsinki and approved by the Medical Ethics Committee of the First Affiliated Hospital of Xinxiang Medical College (NO. 2019064), and with informed consent from the guardians. Consent for publicationNot applicable. Competing interestsAll of the authors had no any personal, financial, commercial, or academic conflicts of interest separately. Competing interests All of the authors had no any personal, financial, commercial, or academic conflicts of interest separately."

"Funding Sanmenxia Science and Technology Research Project (No. 2022002088). Science and Technology Project of China Water Resources and Hydropower Eleventh Engineering Bureau Co., Ltd."