https://www.selleckchem.com/pr....oducts/crenolanib-cp
Objectives Syncope is a common clinical symptom, while there are less relevant literature and targeted research on childhood morbidity. This article makes a cross-section survey on the incidence of syncope in children and adolescents aged 2-18 years in Changsha. Materials and Methods There were 4,352 children and adolescents aged 2-18 years randomly selected from six primary and secondary schools and three kindergartens in Changsha from March 2018 to November 2018. There were 4,916 standardized questionnaires issued, and 4,
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