title: The Trend in Mental Disability in Individuals Aged 60 and Older in China: National Sample Survey on Disability From 1987 to 2006.
authors.affiliation: Laboratory of Neuroscience and Mental Health, Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing, China.
authors.forename: Zhenjie
authors.initials: Z
authors.lastname: Wang
authors.affiliation: Laboratory of Neuroscience and Mental Health, Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing, China.
authors.forename: Gong
authors.initials: G
authors.lastname: Chen
authors.affiliation: Laboratory of Neuroscience and Mental Health, Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing, China.
authors.forename: Ning
authors.initials: N
authors.lastname: Li
authors.affiliation: Laboratory of Neuroscience and Mental Health, Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing, China.
authors.forename: Chao
authors.initials: C
authors.lastname: Guo
authors.affiliation: Laboratory of Neuroscience and Mental Health, Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing, China.
authors.forename: Xiaoying
authors.initials: X
authors.lastname: Zheng
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002681:China / Q000453:epidemiology; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology*; D008875:Middle Aged; D011795:Surveys and Questionnaires; D013997:Time Factors