下呼吸道感染感染
lower respiratory tract infection
胎儿染色体异常
fetal chromosomal abnormalities
胎儿胎盘循环
fetoplacental circulation
小儿感染后脾虚证
Postinfectious children’s hypofunction of the spleen
小儿感染性疾病
infantile infectious diseases
婴幼儿CMV感染
CMV infection in pediatric patients
模型,易感-感染-移出
Susceptive-infective-removal model
易感－感染－易感模型
Susceptible-Infected-Susceptible SIS model