Chinese Journal of Practical Pediatrics
Multi-center study on the verification of diagnosis criteria for asthma in children under 6 years of age
Pediatric Allergy and Asthma Group of Chinese Medical Association of Allergy（under construction）
Chinese Journal of Practical Pediatrics . 2021, (12): 947 -950 .  DOI: 10.19538/j.ek2021120614