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× Epidemiologic methods
来源:BMC Pediatrics
作者:Juan Manuel Mejía-Aranguré;Héctor Aguirre-Mariscal;Yolanda Sevilla-Delgado;等
关键词:Epidemiologic methods;Otorhinolaryngologic surgical procedures;...
来源:BMC Pediatrics
作者:Juan Manuel Mejía-Aranguré;Héctor Aguirre-Mariscal;Yolanda Sevilla-Delgado;等
关键词:Epidemiologic methods;Otorhinolaryngologic surgical procedures;...
来源:BMC Public Health
作者:Anna Peeters;Allison Hodge;Kathryn Backholer;等
关键词:Epidemiologic methods;Physical activity;...
来源:BMC Public Health
作者:Anna Peeters;Allison Hodge;Kathryn Backholer;等
关键词:Epidemiologic methods;Physical activity;...
来源:BMC Public Health
作者:Marco Aurélio Peres;José Leopoldo Ferreira Antunes;Ana V Diez-Roux;等
关键词:Data collection;Self report;...
来源:BMC Public Health
作者:David Forbes;Greg Ireton;Vikki Sinnott;等
关键词:Community-based participatory research;Qualitative research;...