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OBJECTIVE To estimate the prevalence of depressive symptoms and to determine the impact of socio-demographic variables, chronic diseases and health-related events on depression in a community sample of older adults in Xi'an, Shaanxi Province. METHODS Cross sectional, multistage community survey. A semi-structured questionnaire including socio-demographic(More)
OBJECTIVES The objectives of the present study were (1) to compare the stability of delayed loaded (DL) and immediately loaded (IL) ITI SLA implants during the first 3 months of the healing period using resonance frequency analysis (RFA) and (2) to determine the factors that affect implant stability during the healing period. MATERIALS AND METHODS To(More)
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