title: [Advances in pediatrics].
authors.forename: Y J
authors.initials: YJ
authors.lastname: Hu
mesh_terms: D006509:Hepatitis B / Q000517:prevention & control; D006801:Humans; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D009401:Nephrosis / Q000378:metabolism; D010372:Pediatrics; D011014:Pneumonia / Q000382:microbiology