Household questionnaire survey on the prevalence and influencing factors of chronic cough in children in Shandong Province

DAI Fangfang, YANG Juan, LIU Fengqin, GUO Chunyan, CHEN Xing

Journal of Clinical Pediatrics . 2023, (5): 370 -375 . DOI: 10.12372/jcp.2023.22e0128