title: [High-risk prevention strategy and population-based prevention strategy].
authors.affiliation: Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China.
authors.forename: Jun
authors.initials: J
authors.lastname: Lü
authors.forename: Li-ming
authors.initials: LM
authors.lastname: Li
mesh_terms: D006801:Humans; D011314:Preventive Health Services