Risk factor analysis of plastic bronchitis among 126 children with macrolide-resistant Mycoplasma pneumoniae pneumonia with mutations at the A2063G site after bronchoscopy examination: a nomogram prediction model - Ma, Ran; Bai, Ting; Yuan, Bo; Zhang, Li; Li, Shanshan; Ma, Lanhua; Zhang, Wei (Frontiers in Pediatrics, 2025)