Affiliation: | 1. Department of Internal Medicine, Central Hospital of Linyi, Linyi, China;2. Department of Laboratory, The Third People's Hospital of Linyi, Linyi, China;3. Department of Laboratory, Dongchangfu District Maternal and Child Health Hospital of Liaocheng, Liaocheng, China;4. Department of Anesthesiology, Qingdao Women and Children's Hospital, Qingdao, China |