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× prevalence ratio
来源:BMC Medical Research Methodology
作者:Vânia N Hirakata, Aluísio JD Barros
关键词:statistical models;robust variance;...
来源:BMC Medical Research Methodology
作者:Vânia N Hirakata, Aluísio JD Barros
关键词:statistical models;robust variance;...
来源:International Journal of Environmental Research and Public Health , 2013
作者:Jiro Takaki, Toshiyo Taniguchi
关键词:workplace bullying;harassment;...
使用许可:CC BY
来源:Revista da Associação Médica Brasileira , 2011
作者:Michele Pereira Netto;Daniela Da Silva Rocha;Sylvia Do Carmo Castro Franceschini;等
关键词:Alimentação;anemia;...
使用许可:CC BY-NC
来源:Biomédica: revista del Instituto Nacional de Salud , 1999
作者:
关键词:HIV prevalence;risk factors;...
使用许可:Unknown